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This reverts commit fc049467. This
causes some issues with backdrop filters (crbug/986206).

This also reverts commit a843bfee which
landed some cleanups after the above commit.

TBR=kylechar
BUG=986206

Change-Id: I4bca9752808da555f856bfeeb1ab1516b5e4efb3
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1713442
Commit-Queue: Mohsen Izadi <mohsen@chromium.org>
Reviewed-by: Mohsen Izadi <mohsen@chromium.org>
Cr-Commit-Position: refs/heads/master@{#679856}