GitLab

Plumb mailbox for the primary plane to OverlayProcessorOzone and use
SharedImageInterface to obtain the corresponding NativePixmap.

Bug: 756454
Change-Id: Ic537d05253bc68c27a8fed961de8547ace359e82
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2016327Reviewed-by: Robert Kroeger <rjkroege@chromium.org>
Commit-Queue: Saman Sami <samans@chromium.org>
Cr-Commit-Position: refs/heads/master@{#736065}