Bug 1733199 [wpt PR 30985] - Style: Remove AppliedTextDecoration declared at display...

Bug 1733199 [wpt PR 30985] - Style: Remove AppliedTextDecoration declared at display:contents elements, a=testonly

Automatic update from web-platform-tests
Style: Remove AppliedTextDecoration declared at display:contents elements

Text decorations declared at display:contents elements should be
ignored.

* StyleAdjuster::AdjustComputedStyle():
  Copy AppliedTextDecoration instances  from |layout_parent_style|
  instead of |parent_style|.
  This change is for elements which are children of a display:contents
  element.

* StyleResolver::CreateInheritedDisplayContentsStyleIfNeeded():
  Drop AppliedTextDecoration declared at |parent_style|.
  This change is for |Text| node wrappers which are children of a
  display:contents element.

* LayoutTreeBuilderForText::CreateLayoutObject():
  Text should have a ComputedStyle same as its wrapper.
  This change is for |Text| node which are children of a
  display:contents element.

The new behavior matches to Firefox and Safari.

Bug: 1252619, 1253243
Change-Id: I66bdbd61b2f4f6ea668d81c6a882f65113d74b4e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3187550
Auto-Submit: Kent Tamura <tkent@chromium.org>
Commit-Queue: Rune Lillesveen <futhark@chromium.org>
Reviewed-by: Rune Lillesveen <futhark@chromium.org>
Cr-Commit-Position: refs/heads/main@{#925670}

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wpt-commits: 59508ecba558b6ac288ea59f65d052eda41406d2
wpt-pr: 30985