GitLab

Otherwise we can end up hitting DCHECKs in e.g. 
BeginImplFrameDeadlineModeToString().

Change-Id: Ibaac3356ba94664ce9c08d378ab78631e8aaa890
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2196582Reviewed-by: Sunny Sachanandani <sunnyps@chromium.org>
Commit-Queue: Eric Seckler <eseckler@chromium.org>
Cr-Commit-Position: refs/heads/master@{#771125}