Attachment 427335 Details for Bug 190065 – Patch

[patch] Patch

bug-190065-20210429120754.patch (text/plain), 89.70 KB, created by Sergio Villar Senin on 2021-04-29 03:07:56 PDT

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Filename:

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Creator: Sergio Villar Senin

Created: 2021-04-29 03:07:56 PDT

Size: 89.70 KB

patch

obsolete

>Subversion Revision: 276758
>diff --git a/Source/WebCore/ChangeLog b/Source/WebCore/ChangeLog
>index 35c9bbb3142db554d9300487eb91757a8d5d9e05..11aa2a4086513f50bf6b52c0cb4a0c892b94c3a4 100644
>--- a/Source/WebCore/ChangeLog
>+++ b/Source/WebCore/ChangeLog
>@@ -1,3 +1,20 @@
>+2021-04-29  Sergio Villar Senin  <svillar@igalia.com>
>+
>+        Enable <summary> to be a flex container
>+        https://bugs.webkit.org/show_bug.cgi?id=190065
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        Create grid or flex renderers for <summary> elements whenever display: {inline}-{grid|flex}
>+        is specified. All vendors but WebKit allowed it so it should be good for interoperability.
>+
>+        * html/HTMLSummaryElement.cpp:
>+        (WebCore::HTMLSummaryElement::createElementRenderer): create the renderer specifying
>+        RenderElement::OnlyCreateBlockAndFlexboxRenderers.
>+        * rendering/RenderElement.cpp:
>+        (WebCore::RenderElement::createFor): do not create a RenderListItem for <summary> if display:list-item
>+        is used because they're already list items. Let it fallthrough to RenderBlockFlow creation.
>+
> 2021-04-29  Said Abou-Hallawa  <said@apple.com>
> 
>         [GPU Process] REGRESSION(r272888): Don't assert the validity of the dataURL mimeType inside GPU Process
>diff --git a/Source/WebCore/html/HTMLSummaryElement.cpp b/Source/WebCore/html/HTMLSummaryElement.cpp
>index 3a129afd854a7b34397863c08554e75274bb14d4..84b141827e34bd15e846f316447b6f40026ae847 100644
>--- a/Source/WebCore/html/HTMLSummaryElement.cpp
>+++ b/Source/WebCore/html/HTMLSummaryElement.cpp
>@@ -65,7 +65,7 @@ HTMLSummaryElement::HTMLSummaryElement(const QualifiedName& tagName, Document& d
> 
> RenderPtr<RenderElement> HTMLSummaryElement::createElementRenderer(RenderStyle&& style, const RenderTreePosition&)
> {
>-    return createRenderer<RenderBlockFlow>(*this, WTFMove(style));
>+    return RenderElement::createFor(*this, WTFMove(style), RenderElement::OnlyCreateBlockAndFlexboxRenderers);
> }
> 
> void HTMLSummaryElement::didAddUserAgentShadowRoot(ShadowRoot& root)
>diff --git a/Source/WebCore/rendering/RenderElement.cpp b/Source/WebCore/rendering/RenderElement.cpp
>index 8d1fcf6d618b904d31563670bcca613f809ccc1c..93c47acce853fd99cad82c2eb394e8eeadea1299 100644
>--- a/Source/WebCore/rendering/RenderElement.cpp
>+++ b/Source/WebCore/rendering/RenderElement.cpp
>@@ -172,7 +172,11 @@ RenderPtr<RenderElement> RenderElement::createFor(Element& element, RenderStyle&
>     case DisplayType::InlineBlock:
>         return createRenderer<RenderBlockFlow>(element, WTFMove(style));
>     case DisplayType::ListItem:
>-        return createRenderer<RenderListItem>(element, WTFMove(style));
>+        // list-item should have no effect for <summary> as they're already list items. Let it
>+        // fallthrough to the default case where it will create a RenderBlockFlow.
>+        if (creationType == CreateAllRenderers)
>+            return createRenderer<RenderListItem>(element, WTFMove(style));
>+        FALLTHROUGH;
>     case DisplayType::Flex:
>     case DisplayType::InlineFlex:
>     case DisplayType::WebKitFlex:
>diff --git a/LayoutTests/imported/w3c/ChangeLog b/LayoutTests/imported/w3c/ChangeLog
>index c07b4ed0826d9af0e2b3f6bc628ee7abae75bbbb..498cd8b947cd69f3a80700bd0d4e8509863d1e00 100644
>--- a/LayoutTests/imported/w3c/ChangeLog
>+++ b/LayoutTests/imported/w3c/ChangeLog
>@@ -1,3 +1,28 @@
>+2021-04-29  Sergio Villar Senin  <svillar@igalia.com>
>+
>+        Enable <summary> to be a flex container
>+        https://bugs.webkit.org/show_bug.cgi?id=190065
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        Imported several WPT tests adding coverage for <summary> as grid/flex.
>+
>+        * resources/import-expectations.json:
>+        * resources/resource-files.json:
>+        * web-platform-tests/html/rendering/the-details-element/details-blockification-expected.txt: Added.
>+        * web-platform-tests/html/rendering/the-details-element/details-blockification.html: Added.
>+        * web-platform-tests/html/rendering/the-details-element/summary-display-flex-expected.html: Added.
>+        * web-platform-tests/html/rendering/the-details-element/summary-display-flex.html: Added.
>+        * web-platform-tests/html/rendering/the-details-element/summary-display-grid-expected.html: Added.
>+        * web-platform-tests/html/rendering/the-details-element/summary-display-grid.html: Added.
>+        * web-platform-tests/html/rendering/the-details-element/summary-display-inline-flex-expected.html: Added.
>+        * web-platform-tests/html/rendering/the-details-element/summary-display-inline-flex.html: Added.
>+        * web-platform-tests/html/rendering/the-details-element/summary-display-inline-grid-expected.html: Added.
>+        * web-platform-tests/html/rendering/the-details-element/summary-display-inline-grid.html: Added.
>+        * web-platform-tests/html/rendering/the-details-element/summary-in-ol-expected.html: Added.
>+        * web-platform-tests/html/rendering/the-details-element/summary-in-ol.html: Added.
>+        * web-platform-tests/html/rendering/the-details-element/w3c-import.log:
>+
> 2021-04-28  Rob Buis  <rbuis@igalia.com>
> 
>         [aspect-ratio] Treat border/padding correctly for box-sizing: border-box
>diff --git a/LayoutTests/imported/w3c/resources/import-expectations.json b/LayoutTests/imported/w3c/resources/import-expectations.json
>index 225ccaeb5ab1b9e7e34f3a7451ce488d3442c970..db20cfa5850e083ff07bfb12a2ce277784dffcd9 100644
>--- a/LayoutTests/imported/w3c/resources/import-expectations.json
>+++ b/LayoutTests/imported/w3c/resources/import-expectations.json
>@@ -1,448 +1,449 @@
> {
>-    "LayoutTests/imported/w3c/web-platform-tests/html/semantics/embedded-content/the-img-element/": "import", 
>-    "apng": "import", 
>-    "css/css-animations": "import", 
>-    "css/css-box": "import", 
>-    "css/css-color": "import", 
>-    "css/css-flexbox": "import", 
>-    "css/css-masking/clip-path/": "import", 
>-    "css/css-masking/clip-path/clip-path-with-zoo": "import", 
>-    "css/css-masking/clip-path/clip-path-with-zoom*": "import", 
>-    "css/css-masking/clip-path/clip-path-with-zoom-*": "import", 
>-    "css/css-multicol": "import", 
>-    "css/css-position": "import", 
>-    "css/css-shapes": "import", 
>-    "css/css-sizing": "import", 
>-    "css/css-syntax": "import", 
>-    "css/css-text-decor": "import", 
>-    "css/css-values": "import", 
>-    "css/geometry": "import", 
>-    "css/selectors": "import", 
>-    "css/support": "import", 
>-    "custom-elements": "import", 
>-    "density-size-correction": "import", 
>-    "encrypted-media": "import", 
>-    "paint-timing/": "import", 
>-    "paint-timing/fcp-only": "import", 
>-    "paint-timing/resources": "import", 
>-    "paint-timing/resources/": "import", 
>-    "resources/testharness.js": "import", 
>-    "shadow-dom": "import", 
>-    "streams": "import", 
>-    "tools": "import", 
>-    "web-animations": "import", 
>-    "web-platform-tests/DOM-parsing": "skip", 
>-    "web-platform-tests/DOMEvents": "skip", 
>-    "web-platform-tests/FileAPI": "import", 
>-    "web-platform-tests/IndexedDB": "import", 
>-    "web-platform-tests/WebCryptoAPI": "import", 
>-    "web-platform-tests/WebIDL": "import", 
>-    "web-platform-tests/WebIDL/invalid": "skip", 
>-    "web-platform-tests/WebIDL/valid": "skip", 
>-    "web-platform-tests/XMLHttpRequest": "import", 
>-    "web-platform-tests/XMLHttpRequest/abort-after-stop.htm": "skip", 
>-    "web-platform-tests/XMLHttpRequest/event-error-order.sub.html": "skip", 
>-    "web-platform-tests/XMLHttpRequest/event-timeout-order.htm": "skip", 
>-    "web-platform-tests/XMLHttpRequest/preserve-ua-header-on-redirect.htm": "skip", 
>-    "web-platform-tests/XMLHttpRequest/send-after-setting-document-domain.htm": "skip", 
>-    "web-platform-tests/XMLHttpRequest/send-authentication-basic-cors-not-enabled.htm": "skip", 
>-    "web-platform-tests/XMLHttpRequest/send-authentication-basic-setrequestheader-existing-session.htm": "skip", 
>-    "web-platform-tests/accelerometer": "skip", 
>-    "web-platform-tests/ambient-light": "skip", 
>-    "web-platform-tests/animation-timing": "skip", 
>-    "web-platform-tests/annotation-model": "skip", 
>-    "web-platform-tests/annotation-protocol": "skip", 
>-    "web-platform-tests/annotation-vocab": "skip", 
>-    "web-platform-tests/apng": "skip", 
>-    "web-platform-tests/app-uri": "skip", 
>-    "web-platform-tests/assumptions": "skip", 
>-    "web-platform-tests/audio-output": "import", 
>-    "web-platform-tests/auxclick": "skip", 
>-    "web-platform-tests/background-fetch": "import", 
>-    "web-platform-tests/battery-status": "skip", 
>-    "web-platform-tests/beacon": "import", 
>-    "web-platform-tests/bluetooth": "skip", 
>-    "web-platform-tests/browser-payment-api": "skip", 
>-    "web-platform-tests/clear-site-data": "skip", 
>-    "web-platform-tests/clipboard": "skip", 
>-    "web-platform-tests/clipboard-apis": "import", 
>-    "web-platform-tests/common": "import", 
>-    "web-platform-tests/compat": "import", 
>-    "web-platform-tests/console": "import", 
>-    "web-platform-tests/content-security-policy": "import", 
>-    "web-platform-tests/cookies": "skip", 
>-    "web-platform-tests/cookies/resources": "import", 
>-    "web-platform-tests/cookies/secure": "import", 
>-    "web-platform-tests/core-aam": "skip", 
>-    "web-platform-tests/cors": "import", 
>-    "web-platform-tests/credential-management": "import", 
>-    "web-platform-tests/css": "skip", 
>-    "web-platform-tests/css-backgrounds": "skip", 
>-    "web-platform-tests/css-font-display": "skip", 
>-    "web-platform-tests/css-font-loading": "skip", 
>-    "web-platform-tests/css-fonts": "skip", 
>-    "web-platform-tests/css-paint-api": "skip", 
>-    "web-platform-tests/css-scoping": "skip", 
>-    "web-platform-tests/css-scroll-anchoring": "skip", 
>-    "web-platform-tests/css-timing": "skip", 
>-    "web-platform-tests/css-typed-om": "skip", 
>-    "web-platform-tests/css-values": "skip", 
>-    "web-platform-tests/css/WOFF2": "import", 
>-    "web-platform-tests/css/css-align": "import", 
>-    "web-platform-tests/css/css-animations": "import", 
>-    "web-platform-tests/css/css-animations/": "import", 
>-    "web-platform-tests/css/css-backgrounds": "import", 
>-    "web-platform-tests/css/css-cascade": "import", 
>-    "web-platform-tests/css/css-color": "import", 
>-    "web-platform-tests/css/css-contain": "import", 
>-    "web-platform-tests/css/css-content": "import", 
>-    "web-platform-tests/css/css-counter-styles": "import", 
>-    "web-platform-tests/css/css-display": "import", 
>-    "web-platform-tests/css/css-easing": "import", 
>-    "web-platform-tests/css/css-flexbox": "import", 
>-    "web-platform-tests/css/css-font-loading": "import", 
>-    "web-platform-tests/css/css-fonts": "import", 
>-    "web-platform-tests/css/css-fonts/math-script-level-and-math-style/": "import", 
>-    "web-platform-tests/css/css-grid": "import", 
>-    "web-platform-tests/css/css-grid/abspos": "import", 
>-    "web-platform-tests/css/css-grid/alignment/": "import", 
>-    "web-platform-tests/css/css-grid/grid-definition/": "import", 
>-    "web-platform-tests/css/css-grid/grid-items/": "import", 
>-    "web-platform-tests/css/css-grid/layout-algorithm": "import", 
>-    "web-platform-tests/css/css-grid/layout-algorithm/": "import", 
>-    "web-platform-tests/css/css-grid/parsing/": "import", 
>-    "web-platform-tests/css/css-images": "import", 
>-    "web-platform-tests/css/css-lists": "import", 
>-    "web-platform-tests/css/css-lists/parsing": "import", 
>-    "web-platform-tests/css/css-logical": "import", 
>-    "web-platform-tests/css/css-multicol": "import", 
>-    "web-platform-tests/css/css-overflow": "import", 
>-    "web-platform-tests/css/css-overscroll-behavior": "import", 
>-    "web-platform-tests/css/css-properties-values-api": "import", 
>-    "web-platform-tests/css/css-pseudo": "import", 
>-    "web-platform-tests/css/css-scoping": "import", 
>-    "web-platform-tests/css/css-scroll-snap": "import", 
>-    "web-platform-tests/css/css-shadow-parts": "import", 
>-    "web-platform-tests/css/css-shapes": "import", 
>-    "web-platform-tests/css/css-shapes/test-plan/index.html": "skip", 
>-    "web-platform-tests/css/css-sizing/aspect-ratio": "import", 
>-    "web-platform-tests/css/css-text": "import", 
>-    "web-platform-tests/css/css-transitions": "import", 
>-    "web-platform-tests/css/css-ui": "import", 
>-    "web-platform-tests/css/css-variables": "import", 
>-    "web-platform-tests/css/css-will-change": "import", 
>-    "web-platform-tests/css/css-writing-modes": "import", 
>-    "web-platform-tests/css/cssom": "import", 
>-    "web-platform-tests/css/cssom-view/": "import", 
>-    "web-platform-tests/css/geometry/": "import", 
>-    "web-platform-tests/css/mediaqueries": "import", 
>-    "web-platform-tests/css/reference": "import", 
>-    "web-platform-tests/css/resources": "import", 
>-    "web-platform-tests/css/selectors": "import", 
>-    "web-platform-tests/css/support": "import", 
>-    "web-platform-tests/custom-elements": "import", 
>-    "web-platform-tests/custom-elements/v0": "skip", 
>-    "web-platform-tests/docs": "import", 
>-    "web-platform-tests/dom": "import", 
>-    "web-platform-tests/dom/events": "import", 
>-    "web-platform-tests/dom/events/scrolling": "import", 
>-    "web-platform-tests/dom/nodes/Document-createElement-namespace-tests/empty.html": "skip", 
>-    "web-platform-tests/dom/nodes/Document-createElement-namespace-tests/empty.svg": "skip", 
>-    "web-platform-tests/dom/nodes/Document-createElement-namespace-tests/empty.xhtml": "skip", 
>-    "web-platform-tests/dom/nodes/Document-createElement-namespace-tests/empty.xml": "skip", 
>-    "web-platform-tests/dom/nodes/Document-createProcessingInstruction.xhtml": "skip", 
>-    "web-platform-tests/dom/nodes/Document-getElementsByTagName.xhtml": "skip", 
>-    "web-platform-tests/dom/nodes/Element-childElement-null-svg.svg": "skip", 
>-    "web-platform-tests/dom/nodes/Element-childElement-null.svg": "skip", 
>-    "web-platform-tests/dom/nodes/Element-childElement-null.xhtml": "skip", 
>-    "web-platform-tests/dom/nodes/Element-childElementCount-dynamic-add-svg.svg": "skip", 
>-    "web-platform-tests/dom/nodes/Element-childElementCount-dynamic-add.svg": "skip", 
>-    "web-platform-tests/dom/nodes/Element-childElementCount-dynamic-remove-svg.svg": "skip", 
>-    "web-platform-tests/dom/nodes/Element-childElementCount-dynamic-remove.svg": "skip", 
>-    "web-platform-tests/dom/nodes/Element-childElementCount-dynamic-remove.xhtml": "skip", 
>-    "web-platform-tests/dom/nodes/Element-childElementCount-nochild-svg.svg": "skip", 
>-    "web-platform-tests/dom/nodes/Element-childElementCount-nochild.svg": "skip", 
>-    "web-platform-tests/dom/nodes/Element-childElementCount-svg.svg": "skip", 
>-    "web-platform-tests/dom/nodes/Element-childElementCount.svg": "skip", 
>-    "web-platform-tests/dom/nodes/Element-childElementCount.xhtml": "skip", 
>-    "web-platform-tests/dom/nodes/Element-firstElementChild-entity.svg": "skip", 
>-    "web-platform-tests/dom/nodes/Element-firstElementChild-entity.xhtml": "skip", 
>-    "web-platform-tests/dom/nodes/Element-firstElementChild-namespace-svg.svg": "skip", 
>-    "web-platform-tests/dom/nodes/Element-firstElementChild-namespace.svg": "skip", 
>-    "web-platform-tests/dom/nodes/Element-firstElementChild-namespace.xhtml": "skip", 
>-    "web-platform-tests/dom/nodes/Element-firstElementChild-svg.svg": "skip", 
>-    "web-platform-tests/dom/nodes/Element-firstElementChild.svg": "skip", 
>-    "web-platform-tests/dom/nodes/Element-lastElementChild-svg.svg": "skip", 
>-    "web-platform-tests/dom/nodes/Element-lastElementChild.svg": "skip", 
>-    "web-platform-tests/dom/nodes/Element-lastElementChild.xhtml": "skip", 
>-    "web-platform-tests/dom/nodes/Element-nextElementSibling-svg.svg": "skip", 
>-    "web-platform-tests/dom/nodes/Element-nextElementSibling.svg": "skip", 
>-    "web-platform-tests/dom/nodes/Element-previousElementSibling-svg.svg": "skip", 
>-    "web-platform-tests/dom/nodes/Element-previousElementSibling.svg": "skip", 
>-    "web-platform-tests/dom/nodes/Element-siblingElement-null-svg.svg": "skip", 
>-    "web-platform-tests/dom/nodes/Element-siblingElement-null.svg": "skip", 
>-    "web-platform-tests/dom/nodes/Element-siblingElement-null.xhtml": "skip", 
>-    "web-platform-tests/dom/nodes/Node-nodeName.xhtml": "skip", 
>-    "web-platform-tests/dom/nodes/ParentNode-querySelector-All.xht": "skip", 
>-    "web-platform-tests/dom/traversal": "import", 
>-    "web-platform-tests/dom/traversal/unfinished": "skip", 
>-    "web-platform-tests/domparsing": "import", 
>-    "web-platform-tests/domxpath": "import", 
>-    "web-platform-tests/domxpath/xml_xpath_runner.html": "skip", 
>-    "web-platform-tests/domxpath/xml_xpath_tests.xml": "skip", 
>-    "web-platform-tests/dpub-aam": "skip", 
>-    "web-platform-tests/dpub-aria": "skip", 
>-    "web-platform-tests/editing": "skip", 
>-    "web-platform-tests/encoding": "import", 
>-    "web-platform-tests/encrypted-media": "import", 
>-    "web-platform-tests/encrypted-media/Google": "skip", 
>-    "web-platform-tests/entries-api": "import", 
>-    "web-platform-tests/eventsource": "import", 
>-    "web-platform-tests/ext-xhtml-pubid": "skip", 
>-    "web-platform-tests/feature-policy": "skip", 
>-    "web-platform-tests/feature-policy/resources": "import", 
>-    "web-platform-tests/feature-policy/resources/": "import", 
>-    "web-platform-tests/fetch": "import", 
>-    "web-platform-tests/fetch/api": "import", 
>-    "web-platform-tests/fetch/api/cors": "import", 
>-    "web-platform-tests/fetch/api/redirect": "import", 
>-    "web-platform-tests/fetch/api/resources": "import", 
>-    "web-platform-tests/fetch/origin": "import", 
>-    "web-platform-tests/fetch/range": "import", 
>-    "web-platform-tests/fetch/stale-while-revalidate": "import", 
>-    "web-platform-tests/fullscreen": "skip", 
>-    "web-platform-tests/gamepad": "skip", 
>-    "web-platform-tests/generic-sensor": "skip", 
>-    "web-platform-tests/geolocation-API": "import", 
>-    "web-platform-tests/gyroscope": "skip", 
>-    "web-platform-tests/hr-time": "import", 
>-    "web-platform-tests/html": "import", 
>-    "web-platform-tests/html-imports": "skip", 
>-    "web-platform-tests/html-longdesc": "skip", 
>-    "web-platform-tests/html-media-capture": "skip", 
>-    "web-platform-tests/html/browsers": "import", 
>-    "web-platform-tests/html/browsers/browsing-the-web/history-traversal/browsing_context_name.html": "skip", 
>-    "web-platform-tests/html/browsers/browsing-the-web/history-traversal/browsing_context_name_cross_origin_2.html": "skip", 
>-    "web-platform-tests/html/browsers/browsing-the-web/history-traversal/browsing_context_name_cross_origin_3.html": "skip", 
>-    "web-platform-tests/html/browsers/history/joint-session-history": "skip", 
>-    "web-platform-tests/html/browsers/history/the-history-interface/001.html": "skip", 
>-    "web-platform-tests/html/browsers/history/the-history-interface/002.html": "skip", 
>-    "web-platform-tests/html/browsers/history/the-history-interface/combination_history_002.html": "skip", 
>-    "web-platform-tests/html/browsers/history/the-history-interface/combination_history_003.html": "skip", 
>-    "web-platform-tests/html/browsers/history/the-history-interface/traverse_the_history_3.html": "skip", 
>-    "web-platform-tests/html/browsers/history/the-location-interface/assign_after_load.html": "skip", 
>-    "web-platform-tests/html/browsers/history/the-location-interface/assign_before_load.html": "skip", 
>-    "web-platform-tests/html/browsers/history/the-location-interface/location_assign.html": "skip", 
>-    "web-platform-tests/html/browsers/offline/application-cache-api": "skip", 
>-    "web-platform-tests/html/browsers/origin/cross-origin-objects/cross-origin-objects.sub.html": "skip", 
>-    "web-platform-tests/html/browsers/sandboxing": "skip", 
>-    "web-platform-tests/html/browsers/the-window-object": "import", 
>-    "web-platform-tests/html/browsers/windows/auxiliary-browsing-contexts/": "import", 
>-    "web-platform-tests/html/browsers/windows/browsing-context-first-created.xhtml": "skip", 
>-    "web-platform-tests/html/browsers/windows/browsing-context-names": "import", 
>-    "web-platform-tests/html/browsers/windows/nested-browsing-contexts/frameElement.html": "skip", 
>-    "web-platform-tests/html/browsers/windows/targeting-cross-origin-nested-browsing-contexts.html": "skip", 
>-    "web-platform-tests/html/canvas": "import", 
>-    "web-platform-tests/html/canvas/element": "import", 
>-    "web-platform-tests/html/canvas/offscreen": "import", 
>-    "web-platform-tests/html/canvas/resources": "import", 
>-    "web-platform-tests/html/canvas/tools": "import", 
>-    "web-platform-tests/html/dom": "import", 
>-    "web-platform-tests/html/dom/documents/dom-tree-accessors/Document.currentScript.sub.html": "skip", 
>-    "web-platform-tests/html/dom/elements/requirements-relating-to-bidirectional-algorithm-formatting-characters": "skip", 
>-    "web-platform-tests/html/dom/reflection-original.html": "skip", 
>-    "web-platform-tests/html/editing": "import", 
>-    "web-platform-tests/html/iana": "import", 
>-    "web-platform-tests/html/infrastructure": "import", 
>-    "web-platform-tests/html/infrastructure/safe-passing-of-structured-data/shared-array-buffers": "skip", 
>-    "web-platform-tests/html/interaction": "import", 
>-    "web-platform-tests/html/interaction/focus/the-autofocus-attribute": "import", 
>-    "web-platform-tests/html/obsolete": "skip", 
>-    "web-platform-tests/html/rendering": "skip", 
>-    "web-platform-tests/html/rendering/replaced-elements/attributes-for-embedded-content-and-images/": "import", 
>-    "web-platform-tests/html/resources": "import", 
>-    "web-platform-tests/html/semantics": "import", 
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>+    "web-platform-tests/dom/nodes/Element-nextElementSibling.svg": "skip",
>+    "web-platform-tests/dom/nodes/Element-previousElementSibling-svg.svg": "skip",
>+    "web-platform-tests/dom/nodes/Element-previousElementSibling.svg": "skip",
>+    "web-platform-tests/dom/nodes/Element-siblingElement-null-svg.svg": "skip",
>+    "web-platform-tests/dom/nodes/Element-siblingElement-null.svg": "skip",
>+    "web-platform-tests/dom/nodes/Element-siblingElement-null.xhtml": "skip",
>+    "web-platform-tests/dom/nodes/Node-nodeName.xhtml": "skip",
>+    "web-platform-tests/dom/nodes/ParentNode-querySelector-All.xht": "skip",
>+    "web-platform-tests/dom/traversal": "import",
>+    "web-platform-tests/dom/traversal/unfinished": "skip",
>+    "web-platform-tests/domparsing": "import",
>+    "web-platform-tests/domxpath": "import",
>+    "web-platform-tests/domxpath/xml_xpath_runner.html": "skip",
>+    "web-platform-tests/domxpath/xml_xpath_tests.xml": "skip",
>+    "web-platform-tests/dpub-aam": "skip",
>+    "web-platform-tests/dpub-aria": "skip",
>+    "web-platform-tests/editing": "skip",
>+    "web-platform-tests/encoding": "import",
>+    "web-platform-tests/encrypted-media": "import",
>+    "web-platform-tests/encrypted-media/Google": "skip",
>+    "web-platform-tests/entries-api": "import",
>+    "web-platform-tests/eventsource": "import",
>+    "web-platform-tests/ext-xhtml-pubid": "skip",
>+    "web-platform-tests/feature-policy": "skip",
>+    "web-platform-tests/feature-policy/resources": "import",
>+    "web-platform-tests/feature-policy/resources/": "import",
>+    "web-platform-tests/fetch": "import",
>+    "web-platform-tests/fetch/api": "import",
>+    "web-platform-tests/fetch/api/cors": "import",
>+    "web-platform-tests/fetch/api/redirect": "import",
>+    "web-platform-tests/fetch/api/resources": "import",
>+    "web-platform-tests/fetch/origin": "import",
>+    "web-platform-tests/fetch/range": "import",
>+    "web-platform-tests/fetch/stale-while-revalidate": "import",
>+    "web-platform-tests/fullscreen": "skip",
>+    "web-platform-tests/gamepad": "skip",
>+    "web-platform-tests/generic-sensor": "skip",
>+    "web-platform-tests/geolocation-API": "import",
>+    "web-platform-tests/gyroscope": "skip",
>+    "web-platform-tests/hr-time": "import",
>+    "web-platform-tests/html": "import",
>+    "web-platform-tests/html-imports": "skip",
>+    "web-platform-tests/html-longdesc": "skip",
>+    "web-platform-tests/html-media-capture": "skip",
>+    "web-platform-tests/html/browsers": "import",
>+    "web-platform-tests/html/browsers/browsing-the-web/history-traversal/browsing_context_name.html": "skip",
>+    "web-platform-tests/html/browsers/browsing-the-web/history-traversal/browsing_context_name_cross_origin_2.html": "skip",
>+    "web-platform-tests/html/browsers/browsing-the-web/history-traversal/browsing_context_name_cross_origin_3.html": "skip",
>+    "web-platform-tests/html/browsers/history/joint-session-history": "skip",
>+    "web-platform-tests/html/browsers/history/the-history-interface/001.html": "skip",
>+    "web-platform-tests/html/browsers/history/the-history-interface/002.html": "skip",
>+    "web-platform-tests/html/browsers/history/the-history-interface/combination_history_002.html": "skip",
>+    "web-platform-tests/html/browsers/history/the-history-interface/combination_history_003.html": "skip",
>+    "web-platform-tests/html/browsers/history/the-history-interface/traverse_the_history_3.html": "skip",
>+    "web-platform-tests/html/browsers/history/the-location-interface/assign_after_load.html": "skip",
>+    "web-platform-tests/html/browsers/history/the-location-interface/assign_before_load.html": "skip",
>+    "web-platform-tests/html/browsers/history/the-location-interface/location_assign.html": "skip",
>+    "web-platform-tests/html/browsers/offline/application-cache-api": "skip",
>+    "web-platform-tests/html/browsers/origin/cross-origin-objects/cross-origin-objects.sub.html": "skip",
>+    "web-platform-tests/html/browsers/sandboxing": "skip",
>+    "web-platform-tests/html/browsers/the-window-object": "import",
>+    "web-platform-tests/html/browsers/windows/auxiliary-browsing-contexts/": "import",
>+    "web-platform-tests/html/browsers/windows/browsing-context-first-created.xhtml": "skip",
>+    "web-platform-tests/html/browsers/windows/browsing-context-names": "import",
>+    "web-platform-tests/html/browsers/windows/nested-browsing-contexts/frameElement.html": "skip",
>+    "web-platform-tests/html/browsers/windows/targeting-cross-origin-nested-browsing-contexts.html": "skip",
>+    "web-platform-tests/html/canvas": "import",
>+    "web-platform-tests/html/canvas/element": "import",
>+    "web-platform-tests/html/canvas/offscreen": "import",
>+    "web-platform-tests/html/canvas/resources": "import",
>+    "web-platform-tests/html/canvas/tools": "import",
>+    "web-platform-tests/html/dom": "import",
>+    "web-platform-tests/html/dom/documents/dom-tree-accessors/Document.currentScript.sub.html": "skip",
>+    "web-platform-tests/html/dom/elements/requirements-relating-to-bidirectional-algorithm-formatting-characters": "skip",
>+    "web-platform-tests/html/dom/reflection-original.html": "skip",
>+    "web-platform-tests/html/editing": "import",
>+    "web-platform-tests/html/iana": "import",
>+    "web-platform-tests/html/infrastructure": "import",
>+    "web-platform-tests/html/infrastructure/safe-passing-of-structured-data/shared-array-buffers": "skip",
>+    "web-platform-tests/html/interaction": "import",
>+    "web-platform-tests/html/interaction/focus/the-autofocus-attribute": "import",
>+    "web-platform-tests/html/obsolete": "skip",
>+    "web-platform-tests/html/rendering": "skip",
>+    "web-platform-tests/html/rendering/replaced-elements/attributes-for-embedded-content-and-images/": "import",
>+    "web-platform-tests/html/resources": "import",
>+    "web-platform-tests/html/semantics": "import",
>+    "web-platform-tests/html/semantics/document-metadata/the-meta-element/pragma-directives": "skip",
>+    "web-platform-tests/html/semantics/document-metadata/the-meta-element/pragma-directives/attr-meta-http-equiv-refresh": "import",
>+    "web-platform-tests/html/semantics/embedded-content": "import",
>+    "web-platform-tests/html/semantics/embedded-content-0": "skip",
>+    "web-platform-tests/html/semantics/embedded-content/image-maps/image-map-processing-model": "skip",
>+    "web-platform-tests/html/semantics/embedded-content/media-elements/audio_loop_base.html": "skip",
>+    "web-platform-tests/html/semantics/embedded-content/media-elements/error-codes": "skip",
>+    "web-platform-tests/html/semantics/embedded-content/media-elements/loading-the-media-resource": "skip",
>+    "web-platform-tests/html/semantics/embedded-content/media-elements/location-of-the-media-resource/currentSrc.html": "skip",
>+    "web-platform-tests/html/semantics/embedded-content/media-elements/networkState_during_progress.html": "skip",
>+    "web-platform-tests/html/semantics/embedded-content/media-elements/offsets-into-the-media-resource/currentTime.html": "skip",
>+    "web-platform-tests/html/semantics/embedded-content/media-elements/playing-the-media-resource/pause-remove-from-document-networkState.html": "skip",
>+    "web-platform-tests/html/semantics/embedded-content/media-elements/playing-the-media-resource/play-in-detached-document.html": "skip",
>+    "web-platform-tests/html/semantics/embedded-content/media-elements/ready-states/autoplay.html": "skip",
>+    "web-platform-tests/html/semantics/embedded-content/media-elements/seeking/seek-to-currentTime.html": "skip",
>+    "web-platform-tests/html/semantics/embedded-content/media-elements/seeking/seek-to-max-value.htm": "skip",
>+    "web-platform-tests/html/semantics/embedded-content/media-elements/seeking/seek-to-negative-time.htm": "skip",
>+    "web-platform-tests/html/semantics/embedded-content/media-elements/synchronising-multiple-media-elements/media-controllers/task-source.html": "skip",
>+    "web-platform-tests/html/semantics/embedded-content/media-elements/track/track-element": "import",
>+    "web-platform-tests/html/semantics/embedded-content/media-elements/track/track-element/cors": "skip",
>+    "web-platform-tests/html/semantics/embedded-content/media-elements/video_loop_base.html": "skip",
>+    "web-platform-tests/html/semantics/embedded-content/the-area-element/area_nohref.xhtml": "skip",
>+    "web-platform-tests/html/semantics/embedded-content/the-area-element/test-area.xhtml": "skip",
>+    "web-platform-tests/html/semantics/embedded-content/the-canvas-element": "import",
>+    "web-platform-tests/html/semantics/embedded-content/the-canvas-element/size.attributes.parse.whitespace.html": "skip",
>+    "web-platform-tests/html/semantics/embedded-content/the-embed-element/embed-represent-nothing-04.html": "skip",
>+    "web-platform-tests/html/semantics/embedded-content/the-iframe-element": "import",
>+    "web-platform-tests/html/semantics/embedded-content/the-img-element/": "import",
>+    "web-platform-tests/html/semantics/embedded-content/the-img-element/decode": "skip",
>+    "web-platform-tests/html/semantics/embedded-content/the-img-element/relevant-mutations.html": "skip",
>+    "web-platform-tests/html/semantics/embedded-content/the-img-element/update-the-image-data": "skip",
>+    "web-platform-tests/html/semantics/embedded-content/the-object-element/object-events.html": "skip",
>+    "web-platform-tests/html/semantics/forms/textfieldselection/select-event.html": "skip",
>+    "web-platform-tests/html/semantics/forms/textfieldselection/textfieldselection-setRangeText.html": "skip",
>+    "web-platform-tests/html/semantics/forms/the-textarea-element": "import",
>+    "web-platform-tests/html/semantics/interactive-elements/the-details-element/toggleEvent.html": "skip",
>+    "web-platform-tests/html/semantics/interactive-elements/the-summary-element": "skip",
>+    "web-platform-tests/html/semantics/links/downloading-resources": "import",
>+    "web-platform-tests/html/semantics/links/following-hyperlinks": "skip",
>+    "web-platform-tests/html/semantics/links/links-created-by-a-and-area-elements": "skip",
>+    "web-platform-tests/html/semantics/scripting-1/the-script-element/execution-timing": "skip",
>+    "web-platform-tests/html/semantics/scripting-1/the-script-element/module": "import",
>+    "web-platform-tests/html/semantics/scripting-1/the-script-element/script-for-event.xhtml": "skip",
>+    "web-platform-tests/html/semantics/scripting-1/the-script-element/script-text.xhtml": "skip",
>+    "web-platform-tests/html/semantics/tabular-data": "import",
>+    "web-platform-tests/html/semantics/tabular-data/processing-model-1": "import",
>+    "web-platform-tests/html/semantics/text-level-semantics/the-data-element": "skip",
>+    "web-platform-tests/html/syntax": "import",
>+    "web-platform-tests/html/the-xhtml-syntax": "import",
>+    "web-platform-tests/html/the-xhtml-syntax/parsing-xhtml-documents": "import",
>+    "web-platform-tests/html/tools": "import",
>+    "web-platform-tests/html/user-activation": "import",
>+    "web-platform-tests/html/webappapis": "import",
>+    "web-platform-tests/html/webappapis/dynamic-insertion": "import",
>+    "web-platform-tests/html/webappapis/dynamic-markup-insertion": "import",
>+    "web-platform-tests/html/webappapis/idle-callbacks": "skip",
>+    "web-platform-tests/html/webappapis/scripting/event-loops/microtask_after_raf.html": "skip",
>+    "web-platform-tests/html/webappapis/scripting/processing-model-2/unhandled-promise-rejections": "skip",
>+    "web-platform-tests/html/webappapis/the-windoworworkerglobalscope-mixin": "import",
>+    "web-platform-tests/http": "skip",
>+    "web-platform-tests/image-decodes": "skip",
>+    "web-platform-tests/imagebitmap-renderingcontext": "import",
>+    "web-platform-tests/images": "import",
>+    "web-platform-tests/infrastructure": "import",
>+    "web-platform-tests/innerText": "import",
>+    "web-platform-tests/input-events": "skip",
>+    "web-platform-tests/interfaces": "import",
>+    "web-platform-tests/intersection-observer": "import",
>+    "web-platform-tests/js": "skip",
>+    "web-platform-tests/keyboard-lock": "skip",
>+    "web-platform-tests/loading/lazyload": "import",
>+    "web-platform-tests/longtask-timing": "skip",
>+    "web-platform-tests/magnetometer": "skip",
>+    "web-platform-tests/mathml": "import",
>+    "web-platform-tests/media-capabilities": "skip",
>+    "web-platform-tests/media-source": "import",
>+    "web-platform-tests/media/": "import",
>+    "web-platform-tests/mediacapture-image": "skip",
>+    "web-platform-tests/mediacapture-record": "import",
>+    "web-platform-tests/mediacapture-streams": "import",
>+    "web-platform-tests/mediacapture-streams/": "import",
>+    "web-platform-tests/mediasession": "import",
>+    "web-platform-tests/microdata": "skip",
>+    "web-platform-tests/mimesniff": "import",
>+    "web-platform-tests/mixed-content": "skip",
>+    "web-platform-tests/mst-content-hint": "import",
>+    "web-platform-tests/navigation-timing": "skip",
>+    "web-platform-tests/netinfo": "skip",
>+    "web-platform-tests/notifications": "import",
>+    "web-platform-tests/old-tests": "skip",
>+    "web-platform-tests/orientation-event": "skip",
>+    "web-platform-tests/orientation-sensor": "skip",
>+    "web-platform-tests/page-visibility": "import",
>+    "web-platform-tests/paint-timing": "skip",
>+    "web-platform-tests/payment-handler": "skip",
>+    "web-platform-tests/payment-method-basic-card": "skip",
>+    "web-platform-tests/payment-method-id": "skip",
>+    "web-platform-tests/payment-request": "import",
>+    "web-platform-tests/performance-timeline": "skip",
>+    "web-platform-tests/picture-in-picture": "import",
>+    "web-platform-tests/pointerevents": "import",
>+    "web-platform-tests/pointerlock": "skip",
>+    "web-platform-tests/preload": "skip",
>+    "web-platform-tests/presentation-api": "skip",
>+    "web-platform-tests/progress-events": "skip",
>+    "web-platform-tests/proximity": "skip",
>+    "web-platform-tests/quirks-mode": "skip",
>+    "web-platform-tests/quirks/unitless-length": "import",
>+    "web-platform-tests/referrer-policy": "import",
>+    "web-platform-tests/remote-playback": "import",
>+    "web-platform-tests/requestidlecallback": "import",
>+    "web-platform-tests/resize-observer": "import",
>+    "web-platform-tests/resize-observer/": "import",
>+    "web-platform-tests/resource-timing": "import",
>+    "web-platform-tests/resources": "import",
>+    "web-platform-tests/resources/chromium": "skip",
>+    "web-platform-tests/resources/test": "skip",
>+    "web-platform-tests/screen-orientation": "skip",
>+    "web-platform-tests/scroll-anchoring": "skip",
>+    "web-platform-tests/scroll-into-view": "skip",
>+    "web-platform-tests/secure-contexts": "import",
>+    "web-platform-tests/selection": "skip",
>+    "web-platform-tests/selectors": "skip",
>+    "web-platform-tests/selectors-api": "skip",
>+    "web-platform-tests/server-timing": "import",
>+    "web-platform-tests/service-workers": "import",
>+    "web-platform-tests/shadow-dom": "import",
>+    "web-platform-tests/shadow-dom/untriaged": "skip",
>+    "web-platform-tests/speech-api": "import",
>+    "web-platform-tests/staticrange": "skip",
>+    "web-platform-tests/storage": "skip",
>+    "web-platform-tests/streams": "import",
>+    "web-platform-tests/streams/writable-streams": "skip",
>+    "web-platform-tests/subresource-integrity": "import",
>+    "web-platform-tests/svg": "import",
>+    "web-platform-tests/svg-aam": "skip",
>+    "web-platform-tests/test/html/infrastructure": "import",
>+    "web-platform-tests/testharness_runner.html": "skip",
>+    "web-platform-tests/tools": "import",
>+    "web-platform-tests/tools/__init__.py": "import",
>+    "web-platform-tests/tools/html5lib": "import",
>+    "web-platform-tests/tools/localpaths.py": "import",
>+    "web-platform-tests/tools/manifest": "import",
>+    "web-platform-tests/tools/pywebsocket": "import",
>+    "web-platform-tests/tools/serve": "import",
>+    "web-platform-tests/tools/six": "import",
>+    "web-platform-tests/tools/sslutils": "import",
>+    "web-platform-tests/tools/wptserve": "import",
>+    "web-platform-tests/touch-events": "import",
>+    "web-platform-tests/trusted-types": "skip",
>+    "web-platform-tests/typedarrays": "skip",
>+    "web-platform-tests/uievents": "import",
>+    "web-platform-tests/upgrade-insecure-requests": "skip",
>+    "web-platform-tests/url": "import",
>+    "web-platform-tests/user-timing": "import",
>+    "web-platform-tests/vibration": "skip",
>+    "web-platform-tests/visual-viewport": "import",
>+    "web-platform-tests/wai-aria": "skip",
>+    "web-platform-tests/wasm": "import",
>+    "web-platform-tests/wasm/jsapi": "import",
>+    "web-platform-tests/web-animations": "import",
>+    "web-platform-tests/web-nfc": "skip",
>+    "web-platform-tests/web-share": "import",
>+    "web-platform-tests/webaudio": "import",
>+    "web-platform-tests/webauthn": "skip",
>+    "web-platform-tests/webdriver": "skip",
>+    "web-platform-tests/webgl": "skip",
>+    "web-platform-tests/webmessaging": "import",
>+    "web-platform-tests/webmessaging/": "import",
>+    "web-platform-tests/webrtc": "import",
>+    "web-platform-tests/webrtc-priority": "import",
>+    "web-platform-tests/webrtc/legacy": "skip",
>+    "web-platform-tests/websockets": "import",
>+    "web-platform-tests/webstorage": "skip",
>+    "web-platform-tests/webusb": "skip",
>+    "web-platform-tests/webvr": "skip",
>+    "web-platform-tests/webvtt": "skip",
>+    "web-platform-tests/webxr": "import",
>+    "web-platform-tests/workers": "import",
>+    "web-platform-tests/worklets": "import",
>+    "web-platform-tests/x-frame-options": "skip",
>+    "web-platform-tests/xhr": "import",
>     "web-platform/test/html/infrastructure": "import"
> }
>\ No newline at end of file
>diff --git a/LayoutTests/imported/w3c/resources/resource-files.json b/LayoutTests/imported/w3c/resources/resource-files.json
>index ad3580c28492b984712e81e0aff6106d5580832b..87c43e267ba037c0966c4733bec0288e2c871fae 100644
>--- a/LayoutTests/imported/w3c/resources/resource-files.json
>+++ b/LayoutTests/imported/w3c/resources/resource-files.json
>@@ -76,6 +76,8 @@
>         "csswg-test/WOFF2-UserAgent/Tests/xhtml1/support/available-001a.xht",
>         "csswg-test/WOFF2-UserAgent/Tests/xhtml1/support/available-001b.xht",
>         "csswg-test/WOFF2-UserAgent/Tests/xhtml1/testcaseindex.xht",
>+        "html/rendering/the-details-element/empty-crash.html",
>+        "html/rendering/the-details-element/single-summary.html",
>         "shadow-dom/declarative/support/declarative-child-frame.html",
>         "shadow-dom/event-on-pseudo-element-crash.html",
>         "shadow-dom/imperative-slot-api-crash.html",
>diff --git a/LayoutTests/imported/w3c/web-platform-tests/html/rendering/the-details-element/details-blockification-expected.txt b/LayoutTests/imported/w3c/web-platform-tests/html/rendering/the-details-element/details-blockification-expected.txt
>new file mode 100644
>index 0000000000000000000000000000000000000000..461945fb76b2ff216072238c47a853b78a3ddaab
>--- /dev/null
>+++ b/LayoutTests/imported/w3c/web-platform-tests/html/rendering/the-details-element/details-blockification-expected.txt
>@@ -0,0 +1,7 @@
>+foo
>+bar
>+foo
>+bar
>+
>+PASS Summary and content should have display:block computed value
>+
>diff --git a/LayoutTests/imported/w3c/web-platform-tests/html/rendering/the-details-element/details-blockification.html b/LayoutTests/imported/w3c/web-platform-tests/html/rendering/the-details-element/details-blockification.html
>new file mode 100644
>index 0000000000000000000000000000000000000000..960074854d8a4a2cc3a9c99f56e5d74e930e693b
>--- /dev/null
>+++ b/LayoutTests/imported/w3c/web-platform-tests/html/rendering/the-details-element/details-blockification.html
>@@ -0,0 +1,35 @@
>+<!DOCTYPE html>
>+<meta charset="utf-8">
>+<title>CSS Test: details children blockification</title>
>+<link rel="author" href="mailto:masonf@chromium.org">
>+<link rel="help" href="https://html.spec.whatwg.org/multipage/rendering.html#the-details-and-summary-elements">
>+<meta name="assert" content="Ensure blockification of <details> children">
>+<script src=/https/bugs.webkit.org/resources/testharness.js></script>
>+<script src=/https/bugs.webkit.org/resources/testharnessreport.js></script>
>+
>+<div id="example1">
>+  <details style="display: grid" open>
>+    <summary style="display: inline">foo</summary>
>+    <div style="display: inline">bar</span>
>+  </details>
>+</div>
>+
>+<div id="example2" style="display: grid">
>+  <details style="display: contents" open>
>+    <summary style="display: inline">foo</summary>
>+    <div style="display: inline">bar</span>
>+  </details>
>+</div>
>+
>+<script>
>+  function checkDetails(details) {
>+    assert_equals(getComputedStyle(details.querySelector('summary')).display, "block");
>+    assert_equals(getComputedStyle(details.querySelector('div')).display, "block");
>+  }
>+  test(() => {
>+    checkDetails(document.querySelector('#example1'));
>+    checkDetails(document.querySelector('#example2'));
>+    assert_equals(getComputedStyle(document.querySelector('#example2>details')).display, "contents");
>+  }, "Summary and content should have display:block computed value");
>+
>+</script>
>diff --git a/LayoutTests/imported/w3c/web-platform-tests/html/rendering/the-details-element/summary-display-flex-expected.html b/LayoutTests/imported/w3c/web-platform-tests/html/rendering/the-details-element/summary-display-flex-expected.html
>new file mode 100644
>index 0000000000000000000000000000000000000000..083dba87959215f1bd6d201a04cb60ecd962538d
>--- /dev/null
>+++ b/LayoutTests/imported/w3c/web-platform-tests/html/rendering/the-details-element/summary-display-flex-expected.html
>@@ -0,0 +1,105 @@
>+<!DOCTYPE html>
>+<link rel="author" title="Xing Xu" href="mailto:xing.xu@intel.com">
>+<style>
>+.flex-container {
>+  background: #333;
>+  border: 0px;
>+  display: flex;
>+  margin: 0px;
>+  padding: 0px;
>+}
>+
>+.flex-container.flex-direction-row {
>+  flex-direction : row;
>+}
>+
>+.flex-container.flex-direction-row-reverse {
>+  flex-direction : row-reverse;
>+}
>+
>+.flex-container.flex-direction-column {
>+  flex-direction : column;
>+}
>+
>+.flex-container.flex-direction-column-reverse {
>+  flex-direction : column-reverse;
>+}
>+
>+.flex-container.flex-direction-column-reverse {
>+  flex-direction : column-reverse;
>+}
>+
>+.flex-container.justify-content-center {
>+  justify-content: center;
>+}
>+
>+.flex-container.justify-content-space-around {
>+  justify-content: space-around;
>+}
>+
>+.flex-container.justify-content-space-between {
>+  justify-content: space-between;
>+}
>+
>+.flex-item {
>+  width:50px;
>+  height:50px;
>+  margin:20px;
>+  background: #eee;
>+  line-height: 50px;
>+  text-align: center;
>+}
>+</style>
>+
>+<summary>
>+  <div>these fieldsshouldn't bestacked vertically</div>
>+</summary>
>+
>+<h1>flex-direction: row</h1>
>+<div class="flex-container flex-direction-row">
>+  <div class="flex-item">1</div>
>+  <div class="flex-item">2</div>
>+  <div class="flex-item">3</div>
>+</div>
>+
>+<h1>flex-direction: row-reverse</h1>
>+<div class="flex-container flex-direction-row-reverse">
>+  <div class="flex-item">1</div>
>+  <div class="flex-item">2</div>
>+  <div class="flex-item">3</div>
>+</div>
>+
>+<h1>flex-direction: column</h1>
>+<div class="flex-container flex-direction-column">
>+  <div class="flex-item">1</div>
>+  <div class="flex-item">2</div>
>+  <div class="flex-item">3</div>
>+</div>
>+
>+<h1>flex-direction: column-reverse</h1>
>+<div class="flex-container flex-direction-column-reverse">
>+  <div class="flex-item">1</div>
>+  <div class="flex-item">2</div>
>+  <div class="flex-item">3</div>
>+</div>
>+
>+<h1>justify-content: center</h1>
>+<div class="flex-container justify-content-center">
>+  <div class="flex-item">1</div>
>+  <div class="flex-item">2</div>
>+  <div class="flex-item">3</div>
>+</div>
>+
>+<h1>justify-content: space-around</h1>
>+<div class="flex-container justify-content-space-around">
>+  <div class="flex-item">1</div>
>+  <div class="flex-item">2</div>
>+  <div class="flex-item">3</div>
>+</div>
>+
>+<h1>justify-content: space-between</h1>
>+<div class="flex-container justify-content-space-between">
>+  <div class="flex-item">1</div>
>+  <div class="flex-item">2</div>
>+  <div class="flex-item">3</div>
>+</div>
>diff --git a/LayoutTests/imported/w3c/web-platform-tests/html/rendering/the-details-element/summary-display-flex.html b/LayoutTests/imported/w3c/web-platform-tests/html/rendering/the-details-element/summary-display-flex.html
>new file mode 100644
>index 0000000000000000000000000000000000000000..c495516cf3dabd27952f44293c5b39629bd56c64
>--- /dev/null
>+++ b/LayoutTests/imported/w3c/web-platform-tests/html/rendering/the-details-element/summary-display-flex.html
>@@ -0,0 +1,112 @@
>+<!DOCTYPE html>
>+<meta charset="utf-8">
>+<title>CSS Test: summary with 'display: flex'</title>
>+<link rel="author" title="Xing Xu" href="mailto:xing.xu@intel.com">
>+<link rel="match" href="summary-display-flex-ref.html">
>+<link rel="help" href="https://html.spec.whatwg.org/multipage/rendering.html#the-details-and-summary-elements">
>+<meta name="assert" content="Checks that styling a <summary> with 'display: flex' makes it a flex container.">
>+<style>
>+.flex-container {
>+  background: #333;
>+  border: 0px;
>+  display: flex;
>+  margin: 0px;
>+  padding: 0px;
>+}
>+
>+.flex-container.flex-direction-row {
>+  flex-direction : row;
>+}
>+
>+.flex-container.flex-direction-row-reverse {
>+  flex-direction : row-reverse;
>+}
>+
>+.flex-container.flex-direction-column {
>+  flex-direction : column;
>+}
>+
>+.flex-container.flex-direction-column-reverse {
>+  flex-direction : column-reverse;
>+}
>+
>+.flex-container.flex-direction-column-reverse {
>+  flex-direction : column-reverse;
>+}
>+
>+.flex-container.justify-content-center {
>+  justify-content: center;
>+}
>+
>+.flex-container.justify-content-space-around {
>+  justify-content: space-around;
>+}
>+
>+.flex-container.justify-content-space-between {
>+  justify-content: space-between;
>+}
>+
>+.flex-item {
>+  width:50px;
>+  height:50px;
>+  margin:20px;
>+  background: #eee;
>+  line-height: 50px;
>+  text-align: center;
>+}
>+</style>
>+
>+<summary style="display: flex;">
>+  <div>these fields</div>
>+  <div>shouldn't be</div>
>+  <div>stacked vertically</div>
>+</summary>
>+
>+<h1>flex-direction: row</h1>
>+<summary class="flex-container flex-direction-row">
>+  <div class="flex-item">1</div>
>+  <div class="flex-item">2</div>
>+  <div class="flex-item">3</div>
>+</summary>
>+
>+<h1>flex-direction: row-reverse</h1>
>+<summary class="flex-container flex-direction-row-reverse">
>+  <div class="flex-item">1</div>
>+  <div class="flex-item">2</div>
>+  <div class="flex-item">3</div>
>+</summary>
>+
>+<h1>flex-direction: column</h1>
>+<summary class="flex-container flex-direction-column">
>+  <div class="flex-item">1</div>
>+  <div class="flex-item">2</div>
>+  <div class="flex-item">3</div>
>+</summary>
>+
>+<h1>flex-direction: column-reverse</h1>
>+<summary class="flex-container flex-direction-column-reverse">
>+  <div class="flex-item">1</div>
>+  <div class="flex-item">2</div>
>+  <div class="flex-item">3</div>
>+</summary>
>+
>+<h1>justify-content: center</h1>
>+<summary class="flex-container justify-content-center">
>+  <div class="flex-item">1</div>
>+  <div class="flex-item">2</div>
>+  <div class="flex-item">3</div>
>+</summary>
>+
>+<h1>justify-content: space-around</h1>
>+<summary class="flex-container justify-content-space-around">
>+  <div class="flex-item">1</div>
>+  <div class="flex-item">2</div>
>+  <div class="flex-item">3</div>
>+</summary>
>+
>+<h1>justify-content: space-between</h1>
>+<summary class="flex-container justify-content-space-between">
>+  <div class="flex-item">1</div>
>+  <div class="flex-item">2</div>
>+  <div class="flex-item">3</div>
>+</summary>
>diff --git a/LayoutTests/imported/w3c/web-platform-tests/html/rendering/the-details-element/summary-display-grid-expected.html b/LayoutTests/imported/w3c/web-platform-tests/html/rendering/the-details-element/summary-display-grid-expected.html
>new file mode 100644
>index 0000000000000000000000000000000000000000..a7c4c4c014f068e21c045dee2661cae7276b4a05
>--- /dev/null
>+++ b/LayoutTests/imported/w3c/web-platform-tests/html/rendering/the-details-element/summary-display-grid-expected.html
>@@ -0,0 +1,72 @@
>+<!DOCTYPE html>
>+<link rel="author" title="Xing Xu" href="mailto:xing.xu@intel.com">
>+<style>
>+.grid-container {
>+  display: grid;
>+  grid-template-columns: 200px 10px 0.3fr 10px 0.7fr;
>+  grid-template-rows: auto 20px auto;
>+}
>+
>+.grid-element {
>+  background-color: #444;
>+  color: #fff;
>+  padding: 20px;
>+  font-size: 2em;
>+}
>+
>+.element-a {
>+  grid-column-start: 1;
>+  grid-column-end: ;
>+  grid-row-start: 1;
>+  grid-row-end: 2;
>+  background: #6F9;
>+}
>+
>+.element-b {
>+  grid-column-start: 3;
>+  grid-column-end: 4;
>+  grid-row-start: 1;
>+  grid-row-end: 2;
>+  background: #69F;
>+}
>+
>+.element-c {
>+  grid-column-start: 5;
>+  grid-column-end: 6;
>+  grid-row-start: 1;
>+  grid-row-end: 2;
>+  background: #F69;
>+}
>+
>+.element-d {
>+  grid-column-start: 1;
>+  grid-column-end: 2;
>+  grid-row-start: 3;
>+  grid-row-end: 4;
>+  background: #9F6;
>+}
>+
>+.element-e {
>+  grid-column-start: 3;
>+  grid-column-end: 4;
>+  grid-row-start: 3;
>+  grid-row-end: 4;
>+  background: #96F;
>+}
>+
>+.element-f {
>+  grid-column-start: 5;
>+  grid-column-end: 6;
>+  grid-row-start: 3;
>+  grid-row-end: 4;
>+  background: #F96;
>+}
>+</style>
>+<div class="grid-container">
>+  <div class="grid-element element-a">A</div>
>+  <div class="grid-element element-b">B</div>
>+  <div class="grid-element element-c">C</div>
>+  <div class="grid-element element-d">D</div>
>+  <div class="grid-element element-e">E</div>
>+  <div class="grid-element element-f">F</div>
>+</div>
>diff --git a/LayoutTests/imported/w3c/web-platform-tests/html/rendering/the-details-element/summary-display-grid.html b/LayoutTests/imported/w3c/web-platform-tests/html/rendering/the-details-element/summary-display-grid.html
>new file mode 100644
>index 0000000000000000000000000000000000000000..934b4ff595e8d1be8819a9b117ebf7514f5bfeae
>--- /dev/null
>+++ b/LayoutTests/imported/w3c/web-platform-tests/html/rendering/the-details-element/summary-display-grid.html
>@@ -0,0 +1,77 @@
>+<!DOCTYPE html>
>+<meta charset="utf-8">
>+<title>CSS Test: summary with 'display: grid'</title>
>+<link rel="author" title="Xing Xu" href="mailto:xing.xu@intel.com">
>+<link rel="match" href="summary-display-grid-ref.html">
>+<link rel="help" href="https://html.spec.whatwg.org/multipage/rendering.html#the-details-and-summary-elements">
>+<meta name="assert" content="Checks that styling a <summary> with 'display: grid' makes it a grid container.">
>+<style>
>+.grid-container {
>+  display: grid;
>+  grid-template-columns: 200px 10px 0.3fr 10px 0.7fr;
>+  grid-template-rows: auto 20px auto;
>+}
>+
>+.grid-element {
>+  background-color: #444;
>+  color: #fff;
>+  padding: 20px;
>+  font-size: 2em;
>+}
>+
>+.element-a {
>+  grid-column-start: 1;
>+  grid-column-end: ;
>+  grid-row-start: 1;
>+  grid-row-end: 2;
>+  background: #6F9;
>+}
>+
>+.element-b {
>+  grid-column-start: 3;
>+  grid-column-end: 4;
>+  grid-row-start: 1;
>+  grid-row-end: 2;
>+  background: #69F;
>+}
>+
>+.element-c {
>+  grid-column-start: 5;
>+  grid-column-end: 6;
>+  grid-row-start: 1;
>+  grid-row-end: 2;
>+  background: #F69;
>+}
>+
>+.element-d {
>+  grid-column-start: 1;
>+  grid-column-end: 2;
>+  grid-row-start: 3;
>+  grid-row-end: 4;
>+  background: #9F6;
>+}
>+
>+.element-e {
>+  grid-column-start: 3;
>+  grid-column-end: 4;
>+  grid-row-start: 3;
>+  grid-row-end: 4;
>+  background: #96F;
>+}
>+
>+.element-f {
>+  grid-column-start: 5;
>+  grid-column-end: 6;
>+  grid-row-start: 3;
>+  grid-row-end: 4;
>+  background: #F96;
>+}
>+</style>
>+<summary class="grid-container">
>+  <div class="grid-element element-a">A</div>
>+  <div class="grid-element element-b">B</div>
>+  <div class="grid-element element-c">C</div>
>+  <div class="grid-element element-d">D</div>
>+  <div class="grid-element element-e">E</div>
>+  <div class="grid-element element-f">F</div>
>+</summary>
>diff --git a/LayoutTests/imported/w3c/web-platform-tests/html/rendering/the-details-element/summary-display-inline-flex-expected.html b/LayoutTests/imported/w3c/web-platform-tests/html/rendering/the-details-element/summary-display-inline-flex-expected.html
>new file mode 100644
>index 0000000000000000000000000000000000000000..25a9b315f4acd69e10d291189983d24a43dfe179
>--- /dev/null
>+++ b/LayoutTests/imported/w3c/web-platform-tests/html/rendering/the-details-element/summary-display-inline-flex-expected.html
>@@ -0,0 +1,105 @@
>+<!DOCTYPE html>
>+<link rel="author" title="Xing Xu" href="mailto:xing.xu@intel.com">
>+<style>
>+.flex-container {
>+  background: #333;
>+  border: 0px;
>+  display: inline-flex;
>+  margin: 0px;
>+  padding: 0px;
>+}
>+
>+.flex-container.flex-direction-row {
>+  flex-direction : row;
>+}
>+
>+.flex-container.flex-direction-row-reverse {
>+  flex-direction : row-reverse;
>+}
>+
>+.flex-container.flex-direction-column {
>+  flex-direction : column;
>+}
>+
>+.flex-container.flex-direction-column-reverse {
>+  flex-direction : column-reverse;
>+}
>+
>+.flex-container.flex-direction-column-reverse {
>+  flex-direction : column-reverse;
>+}
>+
>+.flex-container.justify-content-center {
>+  justify-content: center;
>+}
>+
>+.flex-container.justify-content-space-around {
>+  justify-content: space-around;
>+}
>+
>+.flex-container.justify-content-space-between {
>+  justify-content: space-between;
>+}
>+
>+.flex-item {
>+  width:50px;
>+  height:50px;
>+  margin:20px;
>+  background: #eee;
>+  line-height: 50px;
>+  text-align: center;
>+}
>+</style>
>+
>+<summary>
>+  <div>these fieldsshouldn't bestacked vertically</div>
>+</summary>
>+
>+<h1>flex-direction: row</h1>
>+<div class="flex-container flex-direction-row">
>+  <div class="flex-item">1</div>
>+  <div class="flex-item">2</div>
>+  <div class="flex-item">3</div>
>+</div>
>+
>+<h1>flex-direction: row-reverse</h1>
>+<div class="flex-container flex-direction-row-reverse">
>+  <div class="flex-item">1</div>
>+  <div class="flex-item">2</div>
>+  <div class="flex-item">3</div>
>+</div>
>+
>+<h1>flex-direction: column</h1>
>+<div class="flex-container flex-direction-column">
>+  <div class="flex-item">1</div>
>+  <div class="flex-item">2</div>
>+  <div class="flex-item">3</div>
>+</div>
>+
>+<h1>flex-direction: column-reverse</h1>
>+<div class="flex-container flex-direction-column-reverse">
>+  <div class="flex-item">1</div>
>+  <div class="flex-item">2</div>
>+  <div class="flex-item">3</div>
>+</div>
>+
>+<h1>justify-content: center</h1>
>+<div class="flex-container justify-content-center">
>+  <div class="flex-item">1</div>
>+  <div class="flex-item">2</div>
>+  <div class="flex-item">3</div>
>+</div>
>+
>+<h1>justify-content: space-around</h1>
>+<div class="flex-container justify-content-space-around">
>+  <div class="flex-item">1</div>
>+  <div class="flex-item">2</div>
>+  <div class="flex-item">3</div>
>+</div>
>+
>+<h1>justify-content: space-between</h1>
>+<div class="flex-container justify-content-space-between">
>+  <div class="flex-item">1</div>
>+  <div class="flex-item">2</div>
>+  <div class="flex-item">3</div>
>+</div>
>diff --git a/LayoutTests/imported/w3c/web-platform-tests/html/rendering/the-details-element/summary-display-inline-flex.html b/LayoutTests/imported/w3c/web-platform-tests/html/rendering/the-details-element/summary-display-inline-flex.html
>new file mode 100644
>index 0000000000000000000000000000000000000000..2c935e42b8669c55714de9b1863b73698dd484a0
>--- /dev/null
>+++ b/LayoutTests/imported/w3c/web-platform-tests/html/rendering/the-details-element/summary-display-inline-flex.html
>@@ -0,0 +1,112 @@
>+<!DOCTYPE html>
>+<meta charset="utf-8">
>+<title>CSS Test: summary with 'display: inline-flex'</title>
>+<link rel="author" title="Xing Xu" href="mailto:xing.xu@intel.com">
>+<link rel="match" href="summary-display-inline-flex-ref.html">
>+<link rel="help" href="https://html.spec.whatwg.org/multipage/rendering.html#the-details-and-summary-elements">
>+<meta name="assert" content="Checks that styling a <summary> with 'display: inline-flex' makes it a flex container.">
>+<style>
>+.flex-container {
>+  background: #333;
>+  border: 0px;
>+  display: inline-flex;
>+  margin: 0px;
>+  padding: 0px;
>+}
>+
>+.flex-container.flex-direction-row {
>+  flex-direction : row;
>+}
>+
>+.flex-container.flex-direction-row-reverse {
>+  flex-direction : row-reverse;
>+}
>+
>+.flex-container.flex-direction-column {
>+  flex-direction : column;
>+}
>+
>+.flex-container.flex-direction-column-reverse {
>+  flex-direction : column-reverse;
>+}
>+
>+.flex-container.flex-direction-column-reverse {
>+  flex-direction : column-reverse;
>+}
>+
>+.flex-container.justify-content-center {
>+  justify-content: center;
>+}
>+
>+.flex-container.justify-content-space-around {
>+  justify-content: space-around;
>+}
>+
>+.flex-container.justify-content-space-between {
>+  justify-content: space-between;
>+}
>+
>+.flex-item {
>+  width:50px;
>+  height:50px;
>+  margin:20px;
>+  background: #eee;
>+  line-height: 50px;
>+  text-align: center;
>+}
>+</style>
>+
>+<summary style="display: inline-flex;">
>+  <div>these fields</div>
>+  <div>shouldn't be</div>
>+  <div>stacked vertically</div>
>+</summary>
>+
>+<h1>flex-direction: row</h1>
>+<summary class="flex-container flex-direction-row">
>+  <div class="flex-item">1</div>
>+  <div class="flex-item">2</div>
>+  <div class="flex-item">3</div>
>+</summary>
>+
>+<h1>flex-direction: row-reverse</h1>
>+<summary class="flex-container flex-direction-row-reverse">
>+  <div class="flex-item">1</div>
>+  <div class="flex-item">2</div>
>+  <div class="flex-item">3</div>
>+</summary>
>+
>+<h1>flex-direction: column</h1>
>+<summary class="flex-container flex-direction-column">
>+  <div class="flex-item">1</div>
>+  <div class="flex-item">2</div>
>+  <div class="flex-item">3</div>
>+</summary>
>+
>+<h1>flex-direction: column-reverse</h1>
>+<summary class="flex-container flex-direction-column-reverse">
>+  <div class="flex-item">1</div>
>+  <div class="flex-item">2</div>
>+  <div class="flex-item">3</div>
>+</summary>
>+
>+<h1>justify-content: center</h1>
>+<summary class="flex-container justify-content-center">
>+  <div class="flex-item">1</div>
>+  <div class="flex-item">2</div>
>+  <div class="flex-item">3</div>
>+</summary>
>+
>+<h1>justify-content: space-around</h1>
>+<summary class="flex-container justify-content-space-around">
>+  <div class="flex-item">1</div>
>+  <div class="flex-item">2</div>
>+  <div class="flex-item">3</div>
>+</summary>
>+
>+<h1>justify-content: space-between</h1>
>+<summary class="flex-container justify-content-space-between">
>+  <div class="flex-item">1</div>
>+  <div class="flex-item">2</div>
>+  <div class="flex-item">3</div>
>+</summary>
>diff --git a/LayoutTests/imported/w3c/web-platform-tests/html/rendering/the-details-element/summary-display-inline-grid-expected.html b/LayoutTests/imported/w3c/web-platform-tests/html/rendering/the-details-element/summary-display-inline-grid-expected.html
>new file mode 100644
>index 0000000000000000000000000000000000000000..f6a8b04bec38e77b6ce95cf7b182ab0588242d42
>--- /dev/null
>+++ b/LayoutTests/imported/w3c/web-platform-tests/html/rendering/the-details-element/summary-display-inline-grid-expected.html
>@@ -0,0 +1,72 @@
>+<!DOCTYPE html>
>+<link rel="author" title="Xing Xu" href="mailto:xing.xu@intel.com">
>+<style>
>+.grid-container {
>+  display: inline-grid;
>+  grid-template-columns: 200px 10px 0.3fr 10px 0.7fr;
>+  grid-template-rows: auto 20px auto;
>+}
>+
>+.grid-element {
>+  background-color: #444;
>+  color: #fff;
>+  padding: 20px;
>+  font-size: 2em;
>+}
>+
>+.element-a {
>+  grid-column-start: 1;
>+  grid-column-end: ;
>+  grid-row-start: 1;
>+  grid-row-end: 2;
>+  background: #6F9;
>+}
>+
>+.element-b {
>+  grid-column-start: 3;
>+  grid-column-end: 4;
>+  grid-row-start: 1;
>+  grid-row-end: 2;
>+  background: #69F;
>+}
>+
>+.element-c {
>+  grid-column-start: 5;
>+  grid-column-end: 6;
>+  grid-row-start: 1;
>+  grid-row-end: 2;
>+  background: #F69;
>+}
>+
>+.element-d {
>+  grid-column-start: 1;
>+  grid-column-end: 2;
>+  grid-row-start: 3;
>+  grid-row-end: 4;
>+  background: #9F6;
>+}
>+
>+.element-e {
>+  grid-column-start: 3;
>+  grid-column-end: 4;
>+  grid-row-start: 3;
>+  grid-row-end: 4;
>+  background: #96F;
>+}
>+
>+.element-f {
>+  grid-column-start: 5;
>+  grid-column-end: 6;
>+  grid-row-start: 3;
>+  grid-row-end: 4;
>+  background: #F96;
>+}
>+</style>
>+<div class="grid-container">
>+  <div class="grid-element element-a">A</div>
>+  <div class="grid-element element-b">B</div>
>+  <div class="grid-element element-c">C</div>
>+  <div class="grid-element element-d">D</div>
>+  <div class="grid-element element-e">E</div>
>+  <div class="grid-element element-f">F</div>
>+</div>
>diff --git a/LayoutTests/imported/w3c/web-platform-tests/html/rendering/the-details-element/summary-display-inline-grid.html b/LayoutTests/imported/w3c/web-platform-tests/html/rendering/the-details-element/summary-display-inline-grid.html
>new file mode 100644
>index 0000000000000000000000000000000000000000..3578f050e2b82138c0df0a39f1e7384346e2cb4c
>--- /dev/null
>+++ b/LayoutTests/imported/w3c/web-platform-tests/html/rendering/the-details-element/summary-display-inline-grid.html
>@@ -0,0 +1,77 @@
>+<!DOCTYPE html>
>+<meta charset="utf-8">
>+<title>CSS Test: summary with 'display: inline-grid'</title>
>+<link rel="author" title="Xing Xu" href="mailto:xing.xu@intel.com">
>+<link rel="match" href="summary-display-inline-grid-ref.html">
>+<link rel="help" href="https://html.spec.whatwg.org/multipage/rendering.html#the-details-and-summary-elements">
>+<meta name="assert" content="Checks that styling a <summary> with 'display: inline-grid' makes it a grid container.">
>+<style>
>+.grid-container {
>+  display: inline-grid;
>+  grid-template-columns: 200px 10px 0.3fr 10px 0.7fr;
>+  grid-template-rows: auto 20px auto;
>+}
>+
>+.grid-element {
>+  background-color: #444;
>+  color: #fff;
>+  padding: 20px;
>+  font-size: 2em;
>+}
>+
>+.element-a {
>+  grid-column-start: 1;
>+  grid-column-end: ;
>+  grid-row-start: 1;
>+  grid-row-end: 2;
>+  background: #6F9;
>+}
>+
>+.element-b {
>+  grid-column-start: 3;
>+  grid-column-end: 4;
>+  grid-row-start: 1;
>+  grid-row-end: 2;
>+  background: #69F;
>+}
>+
>+.element-c {
>+  grid-column-start: 5;
>+  grid-column-end: 6;
>+  grid-row-start: 1;
>+  grid-row-end: 2;
>+  background: #F69;
>+}
>+
>+.element-d {
>+  grid-column-start: 1;
>+  grid-column-end: 2;
>+  grid-row-start: 3;
>+  grid-row-end: 4;
>+  background: #9F6;
>+}
>+
>+.element-e {
>+  grid-column-start: 3;
>+  grid-column-end: 4;
>+  grid-row-start: 3;
>+  grid-row-end: 4;
>+  background: #96F;
>+}
>+
>+.element-f {
>+  grid-column-start: 5;
>+  grid-column-end: 6;
>+  grid-row-start: 3;
>+  grid-row-end: 4;
>+  background: #F96;
>+}
>+</style>
>+<summary class="grid-container">
>+  <div class="grid-element element-a">A</div>
>+  <div class="grid-element element-b">B</div>
>+  <div class="grid-element element-c">C</div>
>+  <div class="grid-element element-d">D</div>
>+  <div class="grid-element element-e">E</div>
>+  <div class="grid-element element-f">F</div>
>+</summary>
>diff --git a/LayoutTests/imported/w3c/web-platform-tests/html/rendering/the-details-element/summary-in-ol-expected.html b/LayoutTests/imported/w3c/web-platform-tests/html/rendering/the-details-element/summary-in-ol-expected.html
>new file mode 100644
>index 0000000000000000000000000000000000000000..bb6f79b62709f6be0c1d1cad94a99aeff24f81ec
>--- /dev/null
>+++ b/LayoutTests/imported/w3c/web-platform-tests/html/rendering/the-details-element/summary-in-ol-expected.html
>@@ -0,0 +1,20 @@
>+<!DOCTYPE html>
>+
>+<ol>
>+ <details><summary>summary</summary></details>
>+ <li value="1">1</li>
>+ <li value="2">2 <details><summary>summary</summary></details></li>
>+ <li value="3">3</li>
>+ <details><summary>summary</summary></details>
>+ <li value="4">4</li>
>+</ol>
>+
>+<ol>
>+ <summary>summary</summary>
>+ <li value="1">1</li>
>+ <li value="2">2 <summary>summary</summary></li>
>+ <li value="3">3</li>
>+ <summary>summary</summary>
>+ <li value="4">4</li>
>+</ol>
>+
>diff --git a/LayoutTests/imported/w3c/web-platform-tests/html/rendering/the-details-element/summary-in-ol.html b/LayoutTests/imported/w3c/web-platform-tests/html/rendering/the-details-element/summary-in-ol.html
>new file mode 100644
>index 0000000000000000000000000000000000000000..0f380bf058968f76fa19be40b95d52e5a81de094
>--- /dev/null
>+++ b/LayoutTests/imported/w3c/web-platform-tests/html/rendering/the-details-element/summary-in-ol.html
>@@ -0,0 +1,22 @@
>+<!DOCTYPE html>
>+<title>Check if SUMMARY has 'counter-increment: list-item 0'</title>
>+<link rel="match" href="summary-in-ol-ref.html">
>+
>+<ol>
>+ <details><summary>summary</summary></details>
>+ <li>1</li>
>+ <li>2 <details><summary>summary</summary></details></li>
>+ <li>3</li>
>+ <details><summary>summary</summary></details>
>+ <li>4</li>
>+</ol>
>+
>+<ol>
>+ <summary>summary</summary>
>+ <li>1</li>
>+ <li>2 <summary>summary</summary></li>
>+ <li>3</li>
>+ <summary>summary</summary>
>+ <li>4</li>
>+</ol>
>+
>diff --git a/LayoutTests/imported/w3c/web-platform-tests/html/rendering/the-details-element/w3c-import.log b/LayoutTests/imported/w3c/web-platform-tests/html/rendering/the-details-element/w3c-import.log
>index e463b2262f71f9b0c0c94a93cf8ca600186e8205..5f8d5e51c47105a839bd5844edfd2ae64e22fd2d 100644
>--- a/LayoutTests/imported/w3c/web-platform-tests/html/rendering/the-details-element/w3c-import.log
>+++ b/LayoutTests/imported/w3c/web-platform-tests/html/rendering/the-details-element/w3c-import.log
>@@ -18,6 +18,7 @@ List of files:
> /LayoutTests/imported/w3c/web-platform-tests/html/rendering/the-details-element/details-after.html
> /LayoutTests/imported/w3c/web-platform-tests/html/rendering/the-details-element/details-before-expected.html
> /LayoutTests/imported/w3c/web-platform-tests/html/rendering/the-details-element/details-before.html
>+/LayoutTests/imported/w3c/web-platform-tests/html/rendering/the-details-element/details-blockification.html
> /LayoutTests/imported/w3c/web-platform-tests/html/rendering/the-details-element/details-display-property-is-ignored-expected.html
> /LayoutTests/imported/w3c/web-platform-tests/html/rendering/the-details-element/details-display-property-is-ignored.html
> /LayoutTests/imported/w3c/web-platform-tests/html/rendering/the-details-element/details-page-break-after-1-print-expected.html
>@@ -30,7 +31,17 @@ List of files:
> /LayoutTests/imported/w3c/web-platform-tests/html/rendering/the-details-element/details-page-break-before-2-print.html
> /LayoutTests/imported/w3c/web-platform-tests/html/rendering/the-details-element/empty-crash.html
> /LayoutTests/imported/w3c/web-platform-tests/html/rendering/the-details-element/single-summary.html
>+/LayoutTests/imported/w3c/web-platform-tests/html/rendering/the-details-element/summary-display-flex-expected.html
>+/LayoutTests/imported/w3c/web-platform-tests/html/rendering/the-details-element/summary-display-flex.html
>+/LayoutTests/imported/w3c/web-platform-tests/html/rendering/the-details-element/summary-display-grid-expected.html
>+/LayoutTests/imported/w3c/web-platform-tests/html/rendering/the-details-element/summary-display-grid.html
>+/LayoutTests/imported/w3c/web-platform-tests/html/rendering/the-details-element/summary-display-inline-flex-expected.html
>+/LayoutTests/imported/w3c/web-platform-tests/html/rendering/the-details-element/summary-display-inline-flex.html
>+/LayoutTests/imported/w3c/web-platform-tests/html/rendering/the-details-element/summary-display-inline-grid-expected.html
>+/LayoutTests/imported/w3c/web-platform-tests/html/rendering/the-details-element/summary-display-inline-grid.html
> /LayoutTests/imported/w3c/web-platform-tests/html/rendering/the-details-element/summary-display-list-item-expected.html
> /LayoutTests/imported/w3c/web-platform-tests/html/rendering/the-details-element/summary-display-list-item.html
>+/LayoutTests/imported/w3c/web-platform-tests/html/rendering/the-details-element/summary-in-ol-expected.html
>+/LayoutTests/imported/w3c/web-platform-tests/html/rendering/the-details-element/summary-in-ol.html
> /LayoutTests/imported/w3c/web-platform-tests/html/rendering/the-details-element/summary-text-decoration-expected.html
> /LayoutTests/imported/w3c/web-platform-tests/html/rendering/the-details-element/summary-text-decoration.html

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Attachments on bug 190065: 427252 | 427262 | 427335 | 427345 | 430192