Make commitStyles use computed values instead of resolved values #22452
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Add new CSSAnimationUtils class with a static method KeyframeValueFromComputedStyle() which returns the true computed value for all properties. This mostly calls CSSValueForComputedStyle() without a LayoutObject, but the cases where this does not return the computed value (line-height and transform) are handles separately, similarly to the implementation of ComputedStyleMap. This method does take a LayoutObject, but it is only used to resolve matrix interpolation of box-size-dependent transform values, which produces a deferred compilation which cannot be serialized directly in the current spec. Make Animation.commitStyles() use this new function instead of committing the resolved value using CSSValueFromComputedStyle(). Add additional WPT tests for commitStyles() adding tests for special-case properties and splitting the logical properties case. Bug: 1056197, 1057307 Change-Id: Ic823f96f257d4c6b010dfee758d4ac0b5cd4148c Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2118765 Commit-Queue: George Steel <gtsteel@chromium.org> Reviewed-by: Robert Flack <flackr@chromium.org> Reviewed-by: Kevin Ellis <kevers@chromium.org> Cr-Commit-Position: refs/heads/master@{#765297}
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Add new CSSAnimationUtils class with a static method
KeyframeValueFromComputedStyle() which returns the true computed value
for all properties. This mostly calls CSSValueForComputedStyle() without
a LayoutObject, but the cases where this does not return the computed
value (line-height and transform) are handles separately, similarly
to the implementation of ComputedStyleMap.
This method does take a LayoutObject, but it is only used to resolve
matrix interpolation of box-size-dependent transform values, which
produces a deferred compilation which cannot be serialized directly in
the current spec.
Make Animation.commitStyles() use this new function instead of
committing the resolved value using CSSValueFromComputedStyle().
Add additional WPT tests for commitStyles() adding tests for
special-case properties and splitting the logical properties case.
Bug: 1056197, 1057307
Change-Id: Ic823f96f257d4c6b010dfee758d4ac0b5cd4148c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2118765
Commit-Queue: George Steel <gtsteel@chromium.org>
Reviewed-by: Robert Flack <flackr@chromium.org>
Reviewed-by: Kevin Ellis <kevers@chromium.org>
Cr-Commit-Position: refs/heads/master@{#765297}