Synchronize MathML WPT tests
https://bugs.webkit.org/show_bug.cgi?id=195048

This imports changes to the documentation and spec references for MathML.
It also imports a new test for href currently disabled due to bug 187039.

Patch by Frederic Wang <fwang@igalia.com> on 2019-02-26
Reviewed by Manuel Rego Casasnovas.

LayoutTests/imported/w3c:

* web-platform-tests/mathml/README.md:
* web-platform-tests/mathml/presentation-markup/fractions/frac-1.html:
* web-platform-tests/mathml/presentation-markup/fractions/frac-bar-001.html:
* web-platform-tests/mathml/presentation-markup/fractions/frac-color-001.html:
* web-platform-tests/mathml/presentation-markup/fractions/frac-color-002.html:
* web-platform-tests/mathml/presentation-markup/fractions/frac-linethickness-001.html:
* web-platform-tests/mathml/presentation-markup/fractions/frac-linethickness-002.html:
* web-platform-tests/mathml/presentation-markup/fractions/frac-linethickness-003.html:
* web-platform-tests/mathml/presentation-markup/fractions/frac-mrow-001.html:
* web-platform-tests/mathml/presentation-markup/fractions/frac-numalign-denomalign-001.html:
* web-platform-tests/mathml/presentation-markup/fractions/frac-parameters-1.html:
* web-platform-tests/mathml/presentation-markup/fractions/frac-parameters-2.html:
* web-platform-tests/mathml/presentation-markup/fractions/frac-visibility-001.html:
* web-platform-tests/mathml/presentation-markup/operators/mo-axis-height-1.html:
* web-platform-tests/mathml/presentation-markup/radicals/root-parameters-1.html:
* web-platform-tests/mathml/presentation-markup/scripts/subsup-1.html:
* web-platform-tests/mathml/presentation-markup/scripts/subsup-2.html:
* web-platform-tests/mathml/presentation-markup/scripts/subsup-3.html:
* web-platform-tests/mathml/presentation-markup/scripts/subsup-4.html:
* web-platform-tests/mathml/presentation-markup/scripts/subsup-5.html:
* web-platform-tests/mathml/presentation-markup/scripts/subsup-parameters-1.html:
* web-platform-tests/mathml/presentation-markup/scripts/subsup-parameters-2.html:
* web-platform-tests/mathml/presentation-markup/scripts/underover-1.html:
* web-platform-tests/mathml/presentation-markup/scripts/underover-parameters-1.html:
* web-platform-tests/mathml/presentation-markup/scripts/underover-parameters-2.html:
* web-platform-tests/mathml/presentation-markup/scripts/underover-parameters-3.html:
* web-platform-tests/mathml/presentation-markup/scripts/underover-parameters-4.html:
* web-platform-tests/mathml/presentation-markup/spaces/space-1.html:
* web-platform-tests/mathml/presentation-markup/spaces/space-2.html:
* web-platform-tests/mathml/presentation-markup/tables/table-axis-height.html:
* web-platform-tests/mathml/relations/css-styling/color-1.html:
* web-platform-tests/mathml/relations/css-styling/display-1.html:
* web-platform-tests/mathml/relations/css-styling/displaystyle-1.html:
* web-platform-tests/mathml/relations/css-styling/lengths-1.html:
* web-platform-tests/mathml/relations/css-styling/lengths-2.html:
* web-platform-tests/mathml/relations/css-styling/lengths-3.html:
* web-platform-tests/mathml/relations/css-styling/mathvariant-bold-fraktur.html:
* web-platform-tests/mathml/relations/css-styling/mathvariant-bold-italic.html:
* web-platform-tests/mathml/relations/css-styling/mathvariant-bold-sans-serif.html:
* web-platform-tests/mathml/relations/css-styling/mathvariant-bold-script.html:
* web-platform-tests/mathml/relations/css-styling/mathvariant-bold.html:
* web-platform-tests/mathml/relations/css-styling/mathvariant-double-struck.html:
* web-platform-tests/mathml/relations/css-styling/mathvariant-fraktur.html:
* web-platform-tests/mathml/relations/css-styling/mathvariant-initial.html:
* web-platform-tests/mathml/relations/css-styling/mathvariant-italic.html:
* web-platform-tests/mathml/relations/css-styling/mathvariant-looped.html:
* web-platform-tests/mathml/relations/css-styling/mathvariant-monospace.html:
* web-platform-tests/mathml/relations/css-styling/mathvariant-sans-serif-bold-italic.html:
* web-platform-tests/mathml/relations/css-styling/mathvariant-sans-serif-italic.html:
* web-platform-tests/mathml/relations/css-styling/mathvariant-sans-serif.html:
* web-platform-tests/mathml/relations/css-styling/mathvariant-script.html:
* web-platform-tests/mathml/relations/css-styling/mathvariant-stretched.html:
* web-platform-tests/mathml/relations/css-styling/mathvariant-tailed.html:
* web-platform-tests/mathml/relations/css-styling/visibility-1.html:
* web-platform-tests/mathml/relations/html5-tree/class-1.html:
* web-platform-tests/mathml/relations/html5-tree/class-2.html:
* web-platform-tests/mathml/relations/html5-tree/color-attributes-1.html:
* web-platform-tests/mathml/relations/html5-tree/display-1.html:
* web-platform-tests/mathml/relations/html5-tree/dynamic-1.html:
* web-platform-tests/mathml/relations/html5-tree/href-click-1.html:
* web-platform-tests/mathml/relations/html5-tree/href-click-2.html:
* web-platform-tests/mathml/relations/html5-tree/href-click-3.html: Added.
* web-platform-tests/mathml/relations/html5-tree/integration-point-1.html:
* web-platform-tests/mathml/relations/html5-tree/integration-point-2.html:
* web-platform-tests/mathml/relations/html5-tree/integration-point-3.html:
* web-platform-tests/mathml/relations/html5-tree/required-extensions-1.html:
* web-platform-tests/mathml/relations/html5-tree/required-extensions-2.html:
* web-platform-tests/mathml/relations/html5-tree/unique-identifier-1.html:
* web-platform-tests/mathml/relations/html5-tree/unique-identifier-2.html:
* web-platform-tests/mathml/relations/html5-tree/unique-identifier-3.html:
* web-platform-tests/mathml/relations/html5-tree/w3c-import.log:
* web-platform-tests/mathml/relations/text-and-math/use-typo-metrics-1.html:
* web-platform-tests/mathml/tools/mathvariant-transforms.py:
* web-platform-tests/mathml/tools/utils/w3c-import.log:

LayoutTests:

* TestExpectations: Disable the new href test since testdriver.js is not supported.

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@242086 268f45cc-cd09-0410-ab3c-d52691b4dbfc
diff --git a/LayoutTests/TestExpectations b/LayoutTests/TestExpectations
index 7ea9597..2297f5a 100644
--- a/LayoutTests/TestExpectations
+++ b/LayoutTests/TestExpectations
@@ -724,6 +724,7 @@
 webkit.org/b/194952 imported/w3c/web-platform-tests/mathml/presentation-markup/fractions/frac-bar-001.html [ ImageOnlyFailure ]
 webkit.org/b/194952 imported/w3c/web-platform-tests/mathml/presentation-markup/fractions/frac-color-001.html  [ ImageOnlyFailure ]
 webkit.org/b/194952 imported/w3c/web-platform-tests/mathml/presentation-markup/fractions/frac-linethickness-003.html [ ImageOnlyFailure ]
+webkit.org/b/187039 imported/w3c/web-platform-tests/mathml/relations/html5-tree/href-click-3.html [ Skip ]
 
 # These webmessaging WPT tests time out.
 webkit.org/b/187034 imported/w3c/web-platform-tests/webmessaging/MessageEvent_onmessage_postMessage_infinite_loop.html [ Skip ]