GitLab

Move the allocation of the shared memory segment for ukm smoothness
from RenderWidget to LocalFrameClientImpl.

BUG=1097816

Change-Id: Ib95690ed560e80a4bd43da5be534ae82a5370fce
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2495612
Commit-Queue: Dave Tapuska <dtapuska@chromium.org>
Reviewed-by: danakj <danakj@chromium.org>
Cr-Commit-Position: refs/heads/master@{#821417}