GitLab

Using function pointers rather than lambdas to address binary
size regression from the introduction of ForEachObserver.
Recovers 11,468 of the original 15,600 regression.

Bug: 1116531

Change-Id: I56352c559931859610b00a7dfad615052147ffbf
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2639396
Commit-Queue: Andrew Grieve <agrieve@chromium.org>
Reviewed-by: Nasko Oskov <nasko@chromium.org>
Reviewed-by: Alexander Timin <altimin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#845967}