Import wpt@ab577a99780e1ead4c271c72e25f85392d0ef213

Using wpt-import in Chromium 5dc19a54.
With Chromium commits locally applied on WPT:
d7762551 "Consistently use single quotes in Background Fetch WPTs."


Build: https://ci.chromium.org/buildbot/chromium.infra.cron/wpt-importer/24545

Note to sheriffs: This CL imports external tests and adds
expectations for those tests; if this CL is large and causes
a few new failures, please fix the failures by adding new
lines to TestExpectations rather than reverting. See:
https://chromium.googlesource.com/chromium/src/+/master/docs/testing/web_platform_tests.md

NOAUTOREVERT=true
TBR=lukebjerring

No-Export: true
Change-Id: I13c24755f2f7cedc4c8a2fbf2e8b781b9746fb13
Reviewed-on: https://chromium-review.googlesource.com/1219766
Commit-Queue: Blink WPT Bot <blink-w3c-test-autoroller@chromium.org>
Reviewed-by: Blink WPT Bot <blink-w3c-test-autoroller@chromium.org>
Cr-Commit-Position: refs/heads/master@{#590301}

third_party/WebKit/LayoutTests/external/wpt/interfaces/css-layout-api.idl

+// GENERATED CONTENT - DO NOT EDIT
+// Content was automatically extracted by Reffy into reffy-reports
+// (https://github.com/tidoust/reffy-reports)
+// Source: CSS Layout API Level 1 (https://drafts.css-houdini.org/css-layout-api-1/)
+
+[Exposed=LayoutWorklet]
+interface LayoutChild {
+    readonly attribute StylePropertyMapReadOnly styleMap;
+
+    IntrinsicSizesRequest intrinsicSizes();
+    LayoutFragmentRequest layoutNextFragment(LayoutConstraints constraints, ChildBreakToken breakToken);
+};
+
+[Exposed=LayoutWorklet]
+interface LayoutFragment {
+    readonly attribute double inlineSize;
+    readonly attribute double blockSize;
+
+    attribute double inlineOffset;
+    attribute double blockOffset;
+
+    readonly attribute any data;
+
+    readonly attribute ChildBreakToken? breakToken;
+};
+
+[Exposed=LayoutWorklet]
+interface IntrinsicSizes {
+  readonly attribute double minContentSize;
+  readonly attribute double maxContentSize;
+};
+
+[Constructor(optional LayoutConstraintsOptions options),Exposed=LayoutWorklet]
+interface LayoutConstraints {
+    readonly attribute double availableInlineSize;
+    readonly attribute double availableBlockSize;
+
+    readonly attribute double? fixedInlineSize;
+    readonly attribute double? fixedBlockSize;
+
+    readonly attribute double percentageInlineSize;
+    readonly attribute double percentageBlockSize;
+
+    readonly attribute double? blockFragmentationOffset;
+    readonly attribute BlockFragmentationType blockFragmentationType;
+
+    readonly attribute any data;
+};
+
+dictionary LayoutConstraintsOptions {
+    double availableInlineSize = 0;
+    double availableBlockSize = 0;
+
+    double fixedInlineSize;
+    double fixedBlockSize;
+
+    double percentageInlineSize;
+    double percentageBlockSize;
+
+    double blockFragmentationOffset;
+    BlockFragmentationType blockFragmentationType = "none";
+
+    any data;
+};
+
+enum BlockFragmentationType { "none", "page", "column", "region" };
+
+[Exposed=LayoutWorklet]
+interface ChildBreakToken {
+    readonly attribute BreakType breakType;
+    readonly attribute LayoutChild child;
+};
+
+[Exposed=LayoutWorklet]
+interface BreakToken {
+    readonly attribute FrozenArray<ChildBreakToken> childBreakTokens;
+    readonly attribute any data;
+};
+
+dictionary BreakTokenOptions {
+    sequence<ChildBreakToken> childBreakTokens;
+    any data = null;
+};
+
+enum BreakType { "none", "line", "column", "page", "region" };
+
+[Exposed=LayoutWorklet]
+interface LayoutEdgeSizes {
+  readonly attribute double inlineStart;
+  readonly attribute double inlineEnd;
+
+  readonly attribute double blockStart;
+  readonly attribute double blockEnd;
+
+  // Convenience attributes for the sum in one direction.
+  readonly attribute double inline;
+  readonly attribute double block;
+};
+
+[Exposed=LayoutWorklet]
+interface LayoutEdges {
+  readonly attribute LayoutEdgeSizes border;
+  readonly attribute LayoutEdgeSizes scrollbar;
+  readonly attribute LayoutEdgeSizes padding;
+
+  readonly attribute LayoutEdgeSizes all;
+};
+
+partial namespace CSS {
+    [SameObject] readonly attribute Worklet layoutWorklet;
+};
+
+[Global=(Worklet,LayoutWorklet),Exposed=LayoutWorklet]
+interface LayoutWorkletGlobalScope : WorkletGlobalScope {
+    void registerLayout(DOMString name, VoidFunction layoutCtor);
+};
+
+[Exposed=LayoutWorklet]
+dictionary LayoutOptions {
+  ChildDisplayType childDisplay = "block";
+  LayoutSizingMode sizing = "block-like";
+};
+
+[Exposed=LayoutWorklet]
+enum ChildDisplayType {
+    "block",
+    "normal",
+};
+
+[Exposed=LayoutWorklet]
+enum LayoutSizingMode {
+    "block-like",
+    "manual",
+};
+
+[Exposed=LayoutWorklet]
+interface IntrinsicSizesRequest {
+};
+
+[Exposed=LayoutWorklet]
+interface LayoutFragmentRequest {
+};
+
+typedef (IntrinsicSizesRequest or LayoutFragmentRequest)
+    LayoutFragmentRequestOrIntrinsicSizesRequest;
+
+// This is the final return value from the author defined layout() method.
+dictionary FragmentResultOptions {
+    double inlineSize = 0;
+    double blockSize = 0;
+    double autoBlockSize = 0;
+    sequence<LayoutFragment> childFragments = [];
+    any data = null;
+    BreakTokenOptions breakToken = null;
+};
+
+dictionary IntrinsicSizesResultOptions {
+    double maxContentSize;
+    double minContentSize;
+};