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These DEPS have not been updated for ~2 years, so there is a good chance
something will blow up. Due to interdependancy between the repos,
rolling gtest required gmock also be rolled.

This CL was originally landed as 288164 and reverted as 288239 because it allows
more aggressive LTO in MSVS. This resulted in the compiler noticing an
intentional arithmetic overflow and warning about it.

BUG=401761

Review URL: https://codereview.chromium.org/425333002

Cr-Commit-Position: refs/heads/master@{#288505}
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@288505 0039d316-1c4b-4281-b951-d872f2087c98