The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/419217a09ee1127ae15f32632fab08c15a92a86c

commit 419217a09ee1127ae15f32632fab08c15a92a86c
Author: Anders Hartvoll Ruud <andruud@chromium.org>
Date: Thu Jul 05 08:00:56 2018

[css-properties-values-api] Require PropertyDescriptor.inherits.

As of a recent spec change, the 'inherits' field must now be set.
See https://drafts.css-houdini.org/css-properties-values-api-1/#registering-custom-properties.

This patch changes all calls to CSS.registerProperty (that are missing
'inherits') such that 'inherits' is explicitly set to 'false', which was
the old default.

In wpt/css/css-properties-values-api/register-property.html, I have added
a new test to very that we throw an exception if it's omitted.

Note that CSS.registerProperty API is an unshipped feature behind the
CSSVariables2 flag.

R=mstensho@chromium.org

Bug:  860289 
Change-Id: I14aa02d40c69e0ff6d1160160a8f772cb5159092
Reviewed-on: https://chromium-review.googlesource.com/1126303
Commit-Queue: Anders Ruud <andruud@chromium.org>
Reviewed-by: Morten Stenshorne <mstensho@chromium.org>
Cr-Commit-Position: refs/heads/master@{#572731}
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[modify] https://crrev.com/419217a09ee1127ae15f32632fab08c15a92a86c/third_party/WebKit/LayoutTests/animations/custom-properties/length-percentage-type-mismatch-no-interpolation-expected.txt
[modify] https://crrev.com/419217a09ee1127ae15f32632fab08c15a92a86c/third_party/WebKit/LayoutTests/animations/custom-properties/length-percentage-type-mismatch-no-interpolation.html
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[modify] https://crrev.com/419217a09ee1127ae15f32632fab08c15a92a86c/third_party/WebKit/LayoutTests/external/wpt/css/css-paint-api/registered-properties-in-custom-paint.https.html
[modify] https://crrev.com/419217a09ee1127ae15f32632fab08c15a92a86c/third_party/WebKit/LayoutTests/external/wpt/css/css-properties-values-api/register-property-syntax-parsing-expected.txt
[modify] https://crrev.com/419217a09ee1127ae15f32632fab08c15a92a86c/third_party/WebKit/LayoutTests/external/wpt/css/css-properties-values-api/register-property-syntax-parsing.html
[modify] https://crrev.com/419217a09ee1127ae15f32632fab08c15a92a86c/third_party/WebKit/LayoutTests/external/wpt/css/css-properties-values-api/register-property.html
[modify] https://crrev.com/419217a09ee1127ae15f32632fab08c15a92a86c/third_party/WebKit/LayoutTests/external/wpt/css/css-properties-values-api/registered-properties-inheritance.html
[modify] https://crrev.com/419217a09ee1127ae15f32632fab08c15a92a86c/third_party/WebKit/LayoutTests/external/wpt/css/css-properties-values-api/registered-property-computation.html
[modify] https://crrev.com/419217a09ee1127ae15f32632fab08c15a92a86c/third_party/WebKit/LayoutTests/external/wpt/css/css-properties-values-api/registered-property-cssom.html
[modify] https://crrev.com/419217a09ee1127ae15f32632fab08c15a92a86c/third_party/WebKit/LayoutTests/external/wpt/css/css-properties-values-api/registered-property-initial.html
[modify] https://crrev.com/419217a09ee1127ae15f32632fab08c15a92a86c/third_party/WebKit/LayoutTests/external/wpt/css/css-properties-values-api/var-reference-registered-properties-cycles.html
[modify] https://crrev.com/419217a09ee1127ae15f32632fab08c15a92a86c/third_party/WebKit/LayoutTests/external/wpt/css/css-properties-values-api/var-reference-registered-properties.html
[modify] https://crrev.com/419217a09ee1127ae15f32632fab08c15a92a86c/third_party/blink/renderer/core/animation/animation_sim_test.cc
[modify] https://crrev.com/419217a09ee1127ae15f32632fab08c15a92a86c/third_party/blink/renderer/core/css/property_descriptor.idl