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We currently populate a |current_surface_size_| variable in Render...
WidgetHostViewAndroid via frame sizes in SubmitCompositorFrame. In Viz
mode we don't get SubmitCompositorFrames, so we miss these udpates.

This variable is used for fullscreen transition improvements and
general frame-readiness checks.

This value is present in RenderFrameMetadata, and can be populated from
there in the Viz case.

Bug: 871774
Cq-Include-Trybots: luci.chromium.try:android_optional_gpu_tests_rel;master.tryserver.blink:linux_trusty_blink_rel
Change-Id: I6892cbb35590e03e2b8a7d2d822a7b29308f7439
Reviewed-on: https://chromium-review.googlesource.com/1180517Reviewed-by: Khushal <khushalsagar@chromium.org>
Commit-Queue: Eric Karl <ericrk@chromium.org>
Cr-Commit-Position: refs/heads/master@{#584635}