Port changes from master branch with commit hash embedding
to the development branch.

BUG=angle:529
Change-Id: I307bf44103913aaaeb875a2e3ade1fab77838c48
Reviewed-on: https://chromium-review.googlesource.com/186390Reviewed-by: Shannon Woods <shannonwoods@chromium.org>
Reviewed-by: Geoff Lang <geofflang@chromium.org>
Tested-by: Jamie Madill <jmadill@chromium.org>