GitLab

Add a pointer to the AgentSchedulingGroupHost in RenderFrameHost, and
route some initial calls through it instead of the RenderProcessHost.
This is needed since in the future all frame-specific communication will
be done directly at the agent scheduling group level, and not the
process level.

Bug: 1111231
Change-Id: I62cb6b3bffe79cd143a8aa27f1c471df06f508a4
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2346687
Commit-Queue: Tal Pressman <talp@chromium.org>
Reviewed-by: Kouhei Ueno <kouhei@chromium.org>
Reviewed-by: Alex Moshchuk <alexmos@chromium.org>
Cr-Commit-Position: refs/heads/master@{#799996}