[mathml] Enable MathML Core tests and add expectations

The status of the MathMLCore runtime flag is changed to "test" so that that flag is used for running tests. A new section for MathML-related expectation is introduced in TestExpectations. In addition to expectations for new tests, the ones of MathML-related CSS tests are moved there. Blink currently contains an internal MathML-specific test (mathml/fallback.html) which verifies fallback via the <semantics> element when MathML is not implemented. This test will fail when more MathML patches land but it is still important to ensure that test passes when MathMLCore is disabled. A new virtual test suite is introduced for that purpose and the test is moved there. Expectation for http/tests/xmlviewer/dumpAsText/mathml.xml is also updated since MathML is recognized as a known namespace when MathMLCore is enabled. Bug: 6606 Change-Id: Ia5a657e02850cad142d53a08baf10ec499467726 Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1893878 Commit-Queue: Frédéric Wang <fwang@igalia.com> Reviewed-by: Luke Z <lpz@chromium.org> Reviewed-by: Manuel Rego <rego@igalia.com> Cr-Commit-Position: refs/heads/master@{#713440}

[mathml] Enable MathML Core tests and add expectations
The status of the MathMLCore runtime flag is changed to "test" so that that flag is used for running tests. A new section for MathML-related expectation is introduced in TestExpectations. In addition to expectations for new tests, the ones of MathML-related CSS tests are moved there. Blink currently contains an internal MathML-specific test (mathml/fallback.html) which verifies fallback via the <semantics> element when MathML is not implemented. This test will fail when more MathML patches land but it is still important to ensure that test passes when MathMLCore is disabled. A new virtual test suite is introduced for that purpose and the test is moved there. Expectation for http/tests/xmlviewer/dumpAsText/mathml.xml is also updated since MathML is recognized as a known namespace when MathMLCore is enabled. Bug: 6606 Change-Id: Ia5a657e02850cad142d53a08baf10ec499467726 Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1893878 Commit-Queue: Frédéric Wang <fwang@igalia.com> Reviewed-by: Luke Z <lpz@chromium.org> Reviewed-by: Manuel Rego <rego@igalia.com> Cr-Commit-Position: refs/heads/master@{#713440}
10545dce · Frédéric Wang · Commit Bot · 0f7ccbb2 · 10545dce · 10545dce
Commit 10545dce authored Nov 07, 2019 by Frédéric Wang Committed by Commit Bot Nov 07, 2019
8 changed files
--- a/third_party/blink/renderer/platform/runtime_enabled_features.json5
+++ b/third_party/blink/renderer/platform/runtime_enabled_features.json5
@@ -927,6 +927,7 @@
    },
    {
      name: "MathMLCore",
+      status:"test",
    },
    {
      name:"MeasureMemory",

--- a/third_party/blink/web_tests/NeverFixTests
+++ b/third_party/blink/web_tests/NeverFixTests
@@ -1944,9 +1944,6 @@ virtual/speech-with-unified-autoplay/external/wpt/speech-api/SpeechRecognition-o
 virtual/speech-with-unified-autoplay/external/wpt/speech-api/SpeechRecognition-stop-manual.https.html [ Skip ]
 [ Retina ] external/wpt/pointerevents/pointerevent_touch-action-table-test_touch-manual.html [ Skip ]

-# MathML is not implemented.
-crbug.com/6606 external/wpt/mathml [ Skip ]
-
 # ==== Tests incompatible with the default WPT Origin Isolation start here ==VV
 # The section below lists web tests that are incompatible with the WPT Origin
 # Isolation mode of Site Isolation (see

--- a/third_party/blink/web_tests/TestExpectations
+++ b/third_party/blink/web_tests/TestExpectations
@@ -1486,6 +1486,210 @@ crbug.com/875235 virtual/layout_ng_fieldset/fast/forms/fieldset/legend-small-aft

 # ====== LayoutNG-only failures until here ======

+# ====== MathMLCore-only tests from here ======
+
+crbug.com/6606 external/wpt/mathml/presentation-markup/direction/direction-006.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/direction/direction-007.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/direction/direction-008.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/direction/direction-009.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/direction/direction-010.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/direction/direction-overall.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/direction/direction-token.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/direction/direction.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/fractions/frac-1.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/fractions/frac-bar-001.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/fractions/frac-bar-002.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/fractions/frac-color-001.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/fractions/frac-color-002.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/fractions/frac-created-dynamically-2.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/fractions/frac-created-dynamically-3.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/fractions/frac-created-dynamically.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/fractions/frac-default-padding.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/fractions/frac-legacy-bevelled-attribute.tentative.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/fractions/frac-linethickness-001.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/fractions/frac-linethickness-002.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/fractions/frac-linethickness-003.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/fractions/frac-linethickness-004.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/fractions/frac-mrow-001.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/fractions/frac-numalign-denomalign-001.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/fractions/frac-parameters-1.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/fractions/frac-parameters-2.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/fractions/frac-parameters-gap-001.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/fractions/frac-parameters-gap-002.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/fractions/frac-parameters-gap-003.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/fractions/frac-parameters-gap-004.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/fractions/frac-parameters-gap-005.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/fractions/frac-parameters-gap-006.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/fractions/frac-rendering-from-in-flow.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/fractions/frac-visibility-001.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/menclose/legacy-menclose-radical-notation.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/mrow/inferred-mrow-baseline.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/mrow/inferred-mrow-stretchy.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/mrow/legacy-mfenced-element-001.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/mrow/legacy-mrow-like-elements-001.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/mrow/legacy-mrow-like-elements-002.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/mrow/legacy-mstyle-attributes.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/operators/embellished-operator-001.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/operators/embellished-operator-002.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/operators/mo-axis-height-1.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/operators/mo-form-dynamic.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/operators/mo-form-fallback.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/operators/mo-form-minus-plus.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/operators/mo-form.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/operators/mo-movablelimits-default.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/operators/mo-movablelimits-dynamic.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/operators/mo-movablelimits-from-in-flow.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/operators/mo-movablelimits.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/operators/mo-paint-lspace-rspace.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/operators/operator-dictionary-001.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/operators/operator-dictionary-002.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/operators/operator-dictionary-003.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/operators/operator-dictionary-004.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/operators/operator-dictionary-005.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/operators/operator-dictionary-006.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/radicals/radical-rendering-from-in-flow.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/radicals/root-parameters-1.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/scripts/cramped-001.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/scripts/empty-underover.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/scripts/subsup-1.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/scripts/subsup-2.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/scripts/subsup-3.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/scripts/subsup-4.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/scripts/subsup-5.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/scripts/subsup-legacy-scriptshift-attributes-001.tentative.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/scripts/subsup-parameters-1.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/scripts/subsup-parameters-2.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/scripts/underover-1.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/scripts/underover-legacy-align-attribute-001.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/scripts/underover-parameters-1.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/scripts/underover-parameters-2.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/scripts/underover-parameters-3.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/scripts/underover-parameters-4.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/spaces/mspace-children.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/spaces/space-1.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/spaces/space-2.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/spaces/space-like-001.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/spaces/space-like-002.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/spaces/space-like-003.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/spaces/space-like-004.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/tables/table-001.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/tables/table-002.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/presentation-markup/tables/table-axis-height.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/relations/css-styling/attribute-mapping-001.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/relations/css-styling/attribute-mapping-002.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/relations/css-styling/color-002.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/relations/css-styling/color-003.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/relations/css-styling/color-004.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/relations/css-styling/display-1.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/relations/css-styling/display-contents.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/relations/css-styling/displaystyle-011.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/relations/css-styling/displaystyle-012.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/relations/css-styling/displaystyle-013.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/relations/css-styling/displaystyle-014.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/relations/css-styling/displaystyle-015.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/relations/css-styling/displaystyle-1.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/relations/css-styling/displaystyle-2.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/relations/css-styling/dynamic-dir-1.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/relations/css-styling/ignored-properties-001.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/relations/css-styling/lengths-1.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/relations/css-styling/lengths-2.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/relations/css-styling/mathbackground-001.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/relations/css-styling/mathbackground-002.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/relations/css-styling/mathbackground-003.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/relations/css-styling/mathbackground-004.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/relations/css-styling/mathcolor-001.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/relations/css-styling/mathcolor-002.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/relations/css-styling/mathcolor-003.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/relations/css-styling/mathcolor-004.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/relations/css-styling/mathsize-attribute-css-keywords.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/relations/css-styling/mathsize-attribute-legacy-values.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/relations/css-styling/mathsize-attribute.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/relations/css-styling/mathvariant-auto.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/relations/css-styling/mathvariant-bold-fraktur.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/relations/css-styling/mathvariant-bold-italic.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/relations/css-styling/mathvariant-bold-sans-serif.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/relations/css-styling/mathvariant-bold-script.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/relations/css-styling/mathvariant-bold.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/relations/css-styling/mathvariant-case-sensitivity.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/relations/css-styling/mathvariant-double-struck.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/relations/css-styling/mathvariant-fraktur.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/relations/css-styling/mathvariant-initial.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/relations/css-styling/mathvariant-italic.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/relations/css-styling/mathvariant-looped.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/relations/css-styling/mathvariant-monospace.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/relations/css-styling/mathvariant-sans-serif-bold-italic.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/relations/css-styling/mathvariant-sans-serif-italic.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/relations/css-styling/mathvariant-sans-serif.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/relations/css-styling/mathvariant-script.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/relations/css-styling/mathvariant-stretched.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/relations/css-styling/mathvariant-tailed.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/relations/css-styling/not-participating-to-parent-layout.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/relations/css-styling/padding-border-margin/border-001.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/relations/css-styling/padding-border-margin/border-002.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/relations/css-styling/padding-border-margin/margin-001.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/relations/css-styling/padding-border-margin/margin-002.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/relations/css-styling/padding-border-margin/padding-001.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/relations/css-styling/padding-border-margin/padding-002.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/relations/css-styling/padding-border-margin/padding-border-margin-001.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/relations/css-styling/visibility-002.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/relations/css-styling/visibility-003.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/relations/css-styling/visibility-004.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/relations/css-styling/width-height-001.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/relations/css-styling/writing-mode/writing-mode-001.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/relations/css-styling/writing-mode/writing-mode-002.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/relations/html5-tree/clipboard-event-handlers.tentative.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/relations/html5-tree/color-attributes-1.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/relations/html5-tree/css-inline-style-interface.tentative.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/relations/html5-tree/display-1.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/relations/html5-tree/display-2.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/relations/html5-tree/href-click-1.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/relations/html5-tree/href-click-2.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/relations/html5-tree/html-or-foreign-element-interfaces.tentative.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/relations/html5-tree/integration-point-1.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/relations/html5-tree/integration-point-2.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/relations/html5-tree/integration-point-4.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/relations/html5-tree/math-global-event-handlers.tentative.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/relations/html5-tree/required-extensions-2.html [ Failure ]
+crbug.com/6606 external/wpt/mathml/relations/html5-tree/tabindex-001.html [ Failure ]
+
+# These tests time out when MathML is not implemented.
+# See https://github.com/mathml-refresh/mathml/issues/167
+crbug.com/6606 external/wpt/mathml/relations/html5-tree/css-inline-style-dynamic.tentative.html [ Timeout ]
+crbug.com/6606 external/wpt/mathml/relations/html5-tree/href-click-3.html [ Timeout ]
+
+# This test fails on macOS.
+crbug.com/6606 [ Mac ] external/wpt/mathml/relations/text-and-math/use-typo-metrics-1.html [ Failure ]
+
+# Tentative tests for new CSS proposals
+crbug.com/626703 external/wpt/css/css-text/text-transform/math/text-transform-math-fraktur-001.tentative.html [ Failure ]
+crbug.com/626703 external/wpt/css/css-text/text-transform/math/text-transform-math-stretched-001.tentative.html [ Failure ]
+crbug.com/626703 external/wpt/css/css-text/text-transform/math/text-transform-math-looped-001.tentative.html [ Failure ]
+crbug.com/626703 external/wpt/css/css-text/text-transform/math/text-transform-math-auto-002.tentative.html [ Failure ]
+crbug.com/626703 external/wpt/css/css-text/text-transform/math/text-transform-math-double-struck-001.tentative.html [ Failure ]
+crbug.com/626703 external/wpt/css/css-text/text-transform/math/text-transform-math-initial-001.tentative.html [ Failure ]
+crbug.com/626703 external/wpt/css/css-text/text-transform/math/text-transform-math-italic-001.tentative.html [ Failure ]
+crbug.com/626703 external/wpt/css/css-text/text-transform/math/text-transform-math-bold-italic-001.tentative.html [ Failure ]
+crbug.com/626703 external/wpt/css/css-text/text-transform/math/text-transform-math-bold-script-001.tentative.html [ Failure ]
+crbug.com/626703 external/wpt/css/css-text/text-transform/math/text-transform-math-tailed-001.tentative.html [ Failure ]
+crbug.com/626703 external/wpt/css/css-text/text-transform/math/text-transform-math-sans-serif-italic-001.tentative.html [ Failure ]
+crbug.com/626703 external/wpt/css/css-text/text-transform/math/text-transform-math-bold-001.tentative.html [ Failure ]
+crbug.com/626703 external/wpt/css/css-text/text-transform/math/text-transform-math-bold-sans-serif-001.tentative.html [ Failure ]
+crbug.com/626703 external/wpt/css/css-text/text-transform/math/text-transform-math-monospace-001.tentative.html [ Failure ]
+crbug.com/626703 external/wpt/css/css-text/text-transform/math/text-transform-math-bold-fraktur-001.tentative.html [ Failure ]
+crbug.com/626703 external/wpt/css/css-text/text-transform/math/text-transform-math-auto-001.tentative.html [ Failure ]
+crbug.com/626703 external/wpt/css/css-text/text-transform/math/text-transform-math-script-001.tentative.html [ Failure ]
+crbug.com/626703 external/wpt/css/css-text/text-transform/math/text-transform-math-sans-serif-bold-italic-001.tentative.html [ Failure ]
+crbug.com/626703 external/wpt/css/css-text/text-transform/math/text-transform-math-sans-serif-001.tentative.html [ Failure ]
+crbug.com/626703 [ Linux ] external/wpt/css/css-fonts/math-script-level-and-math-style/math-script-level-auto-and-math-style-002.tentative.html [ Failure ]
+crbug.com/626703 [ Mac ] external/wpt/css/css-fonts/math-script-level-and-math-style/math-script-level-auto-and-math-style-002.tentative.html [ Failure ]
+crbug.com/626703 [ Win ] external/wpt/css/css-fonts/math-script-level-and-math-style/math-script-level-auto-and-math-style-002.tentative.html [ Failure ]
+crbug.com/626703 [ Linux ] external/wpt/css/css-fonts/math-script-level-and-math-style/math-script-level-auto-and-math-style-003.tentative.html [ Failure ]
+crbug.com/626703 [ Mac ] external/wpt/css/css-fonts/math-script-level-and-math-style/math-script-level-auto-and-math-style-003.tentative.html [ Failure ]
+crbug.com/626703 [ Win ] external/wpt/css/css-fonts/math-script-level-and-math-style/math-script-level-auto-and-math-style-003.tentative.html [ Failure ]
+crbug.com/626703 [ Linux ] external/wpt/css/css-fonts/math-script-level-and-math-style/math-script-level-auto-and-math-style-004.tentative.html [ Failure ]
+crbug.com/626703 [ Mac ] external/wpt/css/css-fonts/math-script-level-and-math-style/math-script-level-auto-and-math-style-004.tentative.html [ Failure ]
+crbug.com/626703 [ Win ] external/wpt/css/css-fonts/math-script-level-and-math-style/math-script-level-auto-and-math-style-004.tentative.html [ Failure ]
+
 # ====== Style team owned tests from here ======

 crbug.com/753671 external/wpt/css/css-content/quotes-001.html [ Failure ]
@@ -2748,25 +2952,6 @@ crbug.com/626703 virtual/webrtc-wpt-plan-b/external/wpt/webrtc/RTCPeerConnection
 crbug.com/626703 external/wpt/html/infrastructure/safe-passing-of-structured-data/shared-array-buffers/broadcastchannel-success.https.html [ Timeout ]
 crbug.com/626703 [ Win10 ] virtual/omt-worker-fetch/external/wpt/fetch/api/request/destination/fetch-destination-worker.https.html [ Crash ]
 crbug.com/626703 external/wpt/webauthn/idlharness-manual.https.window.js [ Skip ]
-crbug.com/626703 external/wpt/css/css-text/text-transform/math/text-transform-math-fraktur-001.tentative.html [ Failure ]
-crbug.com/626703 external/wpt/css/css-text/text-transform/math/text-transform-math-stretched-001.tentative.html [ Failure ]
-crbug.com/626703 external/wpt/css/css-text/text-transform/math/text-transform-math-looped-001.tentative.html [ Failure ]
-crbug.com/626703 external/wpt/css/css-text/text-transform/math/text-transform-math-auto-002.tentative.html [ Failure ]
-crbug.com/626703 external/wpt/css/css-text/text-transform/math/text-transform-math-double-struck-001.tentative.html [ Failure ]
-crbug.com/626703 external/wpt/css/css-text/text-transform/math/text-transform-math-initial-001.tentative.html [ Failure ]
-crbug.com/626703 external/wpt/css/css-text/text-transform/math/text-transform-math-italic-001.tentative.html [ Failure ]
-crbug.com/626703 external/wpt/css/css-text/text-transform/math/text-transform-math-bold-italic-001.tentative.html [ Failure ]
-crbug.com/626703 external/wpt/css/css-text/text-transform/math/text-transform-math-bold-script-001.tentative.html [ Failure ]
-crbug.com/626703 external/wpt/css/css-text/text-transform/math/text-transform-math-tailed-001.tentative.html [ Failure ]
-crbug.com/626703 external/wpt/css/css-text/text-transform/math/text-transform-math-sans-serif-italic-001.tentative.html [ Failure ]
-crbug.com/626703 external/wpt/css/css-text/text-transform/math/text-transform-math-bold-001.tentative.html [ Failure ]
-crbug.com/626703 external/wpt/css/css-text/text-transform/math/text-transform-math-bold-sans-serif-001.tentative.html [ Failure ]
-crbug.com/626703 external/wpt/css/css-text/text-transform/math/text-transform-math-monospace-001.tentative.html [ Failure ]
-crbug.com/626703 external/wpt/css/css-text/text-transform/math/text-transform-math-bold-fraktur-001.tentative.html [ Failure ]
-crbug.com/626703 external/wpt/css/css-text/text-transform/math/text-transform-math-auto-001.tentative.html [ Failure ]
-crbug.com/626703 external/wpt/css/css-text/text-transform/math/text-transform-math-script-001.tentative.html [ Failure ]
-crbug.com/626703 external/wpt/css/css-text/text-transform/math/text-transform-math-sans-serif-bold-italic-001.tentative.html [ Failure ]
-crbug.com/626703 external/wpt/css/css-text/text-transform/math/text-transform-math-sans-serif-001.tentative.html [ Failure ]
 crbug.com/626703 [ Mac10.12 ] external/wpt/html/semantics/embedded-content/media-elements/track/track-element/track-cues-missed.html [ Timeout ]
 crbug.com/626703 [ Retina ] virtual/at-property/external/wpt/css/css-properties-values-api/registered-property-cssom.html [ Timeout ]
 crbug.com/626703 [ Retina ] external/wpt/fetch/cross-origin-resource-policy/fetch.https.any.worker.html [ Pass Timeout ]
@@ -2796,15 +2981,6 @@ crbug.com/626703 virtual/omt-worker-fetch/external/wpt/service-workers/service-w
 crbug.com/626703 virtual/cache-storage-sequence/external/wpt/service-workers/service-worker/ready.https.html [ Timeout ]
 crbug.com/626703 virtual/cache-storage-eager-reading/external/wpt/service-workers/service-worker/ready.https.html [ Timeout ]
 crbug.com/626703 virtual/cache-storage-high-priority-match/external/wpt/service-workers/service-worker/ready.https.html [ Timeout ]
-crbug.com/626703 [ Linux ] external/wpt/css/css-fonts/math-script-level-and-math-style/math-script-level-auto-and-math-style-002.tentative.html [ Failure ]
-crbug.com/626703 [ Mac ] external/wpt/css/css-fonts/math-script-level-and-math-style/math-script-level-auto-and-math-style-002.tentative.html [ Failure ]
-crbug.com/626703 [ Win ] external/wpt/css/css-fonts/math-script-level-and-math-style/math-script-level-auto-and-math-style-002.tentative.html [ Failure ]
-crbug.com/626703 [ Linux ] external/wpt/css/css-fonts/math-script-level-and-math-style/math-script-level-auto-and-math-style-003.tentative.html [ Failure ]
-crbug.com/626703 [ Mac ] external/wpt/css/css-fonts/math-script-level-and-math-style/math-script-level-auto-and-math-style-003.tentative.html [ Failure ]
-crbug.com/626703 [ Win ] external/wpt/css/css-fonts/math-script-level-and-math-style/math-script-level-auto-and-math-style-003.tentative.html [ Failure ]
-crbug.com/626703 [ Linux ] external/wpt/css/css-fonts/math-script-level-and-math-style/math-script-level-auto-and-math-style-004.tentative.html [ Failure ]
-crbug.com/626703 [ Mac ] external/wpt/css/css-fonts/math-script-level-and-math-style/math-script-level-auto-and-math-style-004.tentative.html [ Failure ]
-crbug.com/626703 [ Win ] external/wpt/css/css-fonts/math-script-level-and-math-style/math-script-level-auto-and-math-style-004.tentative.html [ Failure ]
 crbug.com/626703 [ Linux ] external/wpt/css/css-sizing/slice-intrinsic-size.html [ Failure ]
 crbug.com/626703 [ Mac ] external/wpt/css/css-sizing/slice-intrinsic-size.html [ Failure ]
 crbug.com/626703 [ Win ] external/wpt/css/css-sizing/slice-intrinsic-size.html [ Failure ]

--- a/third_party/blink/web_tests/VirtualTestSuites
+++ b/third_party/blink/web_tests/VirtualTestSuites
@@ -619,6 +619,11 @@
    "bases": [],
    "args": ["--enable-font-antialiasing"]
  },
+  {
+    "prefix": "mathml-disabled",
+    "bases": [],
+    "args": ["--disable-blink-features=MathMLCore"]
+  },
  {
    "prefix": "hdr",
    "bases": [],

--- a/third_party/blink/web_tests/http/tests/xmlviewer/dumpAsText/mathml-expected.txt
+++ b/third_party/blink/web_tests/http/tests/xmlviewer/dumpAsText/mathml-expected.txt
-This XML file does not appear to have any style information associated with it. The document tree is shown below.
-
-<!--
- If you can see this, this test has failed, except if you are
-     not using a MathML-aware client. 
-->
-<FAIL xmlns:a="http://www.w3.org/1998/Math/MathML">
-<header>
-This tests that xml viewer is not used when there is a tag in MATHML namespace.
-</header>
-<a:math>
-<a:mrow>
-<a:mi>SUCCESS</a:mi>
-</a:mrow>
-</a:math>
-</FAIL>
+This tests that xml viewer is not used when there is a tag in MATHML namespace. SUCCESS
--- a/third_party/blink/web_tests/virtual/mathml-disabled/README.txt
+++ b/third_party/blink/web_tests/virtual/mathml-disabled/README.txt
+This suite runs tests with --disable-blink-features=MathMLCore
--- a/third_party/blink/web_tests/mathml/fallback-expected.html
+++ b/third_party/blink/web_tests/mathml/fallback-expected.html
--- a/third_party/blink/web_tests/mathml/fallback.html
+++ b/third_party/blink/web_tests/mathml/fallback.html