GitLab

For a mask layer, the color's alpha channel has to be 255, otherwise
a DCHECK() in cc::RenderSurfaceImpl::TileMaskLayer() will be triggered.

Bug: 897731
Change-Id: I9281ebdd1eccde58642297618051b2a1fb0a81e7
Reviewed-on: https://chromium-review.googlesource.com/c/1349454Reviewed-by: weiliangc <weiliangc@chromium.org>
Commit-Queue: Peng Huang <penghuang@chromium.org>
Cr-Commit-Position: refs/heads/master@{#610681}