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This is a workaround for crbug.com/1134279, but probably better way to
handle this particular situation because the animation layer will fade out w/o
interruption and a user will see the final state.

DefaultFrameHeader.AnimateDuringAnimation

Bug: 1132276, 1126857, 1134279
Test: manual (see bug for reprostep),
Change-Id: I31c0281983f52a4d181addf8c522e1efa5eeddcf
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2442378Reviewed-by: Malay Keshav <malaykeshav@chromium.org>
Reviewed-by: Alexander Alekseev <alemate@chromium.org>
Commit-Queue: Mitsuru Oshima <oshima@chromium.org>
Cr-Commit-Position: refs/heads/master@{#812979}