GitLab

Storing a GlobalFrameRoutingId is the preferred method of keeping a
reference to a RenderFrameHost

Change-Id: I70266e1e7e5d7c9863df43e300c26a1e7b82e563
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2449389Reviewed-by: Rouslan Solomakhin <rouslan@chromium.org>
Commit-Queue: Jochen Eisinger <jochen@chromium.org>
Cr-Commit-Position: refs/heads/master@{#813801}