GitLab

This CL moves BeginFrame related code to SynchronousCompositorHost
from RenderWidgetHostViewAndroid as it was used only for WebView.
This is part of ongoing refactoring for viz for WebView.

Bug: 805739
Change-Id: I06c264db4fceb8ebee281660f1c771ac45a68b3e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1992250
Commit-Queue: Vasiliy Telezhnikov <vasilyt@chromium.org>
Reviewed-by: Bo <boliu@chromium.org>
Cr-Commit-Position: refs/heads/master@{#730155}