commit 91e518cb31819aba7ea704d09303fb3a80265c4e
author Mason Freed <masonfreed@chromium.org> Tue Nov 13 02:22:50 2018
committer Commit Bot <commit-bot@chromium.org> Tue Nov 13 02:22:50 2018
tree c54d867b60f6c5cc39a14ea99c3e556e6032bffe
parent 969924618ae3bd214b3d85bd16a0ef2fe70fa77d

Re-plumb backdrop-filter through blink-gen-property-trees

With this CL, backdrop-filter will continue to work when the
--enable-blink-gen-property-trees flag is enabled. Behavior should be
identical to behavior without the flag.

Also, I added a number of layout/WPT tests for backdrop-filter,
some of which currently pass, and some of which need fixing. The ones
that need fixing have been added to TestExpectations. These new tests
should reproduce (at least) these issues:
 - https://crbug.com/314867 - respecting isolation
 - https://crbug.com/525099 - respecting isolation
 - https://crbug.com/547937 - border radius
 - https://crbug.com/524689 - filter plus backdrop-filter
 - https://crbug.com/745012 - boundary effect problems

I also moved the existing tests out of external/wpt/css/css-filter
into external/wpt/css/filter-effects, where they really should be,
now that filter-effects is being pulled into the tree.

Bug: 497522,314867,525099,547937,524689,745012
Change-Id: I2be33fbc0e17dec2cd138f9796971fb4a9a57216
Reviewed-on: https://chromium-review.googlesource.com/c/1316661
Commit-Queue: Mason Freed <masonfreed@chromium.org>
Reviewed-by: Philip Rogers <pdr@chromium.org>
Cr-Commit-Position: refs/heads/master@{#607447}