GitLab

Prevent name calculation from getting out of control on really large
regions, e.g. scrollable areas.

Bug: None
Change-Id: I996a15ba6d6b56df0af7975f1aca861eadf7adfc
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2117454Reviewed-by: Dominic Mazzoni <dmazzoni@chromium.org>
Commit-Queue: Aaron Leventhal <aleventhal@chromium.org>
Cr-Commit-Position: refs/heads/master@{#753278}