GitLab

The earlier we start heap profiler the more startup allocations it
will be able to record. It is now started right after field trial flags
become available.

Bug: 1007491
Change-Id: Ia25d8c9134f2e17f135d5731a0d5ed0b35905ffe
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1827476Reviewed-by: Scott Violet <sky@chromium.org>
Commit-Queue: Alexei Filippov <alph@chromium.org>
Cr-Commit-Position: refs/heads/master@{#701410}