GitLab

Allowing for NULL damage buffers in low memory situations.

Ran 200 times on bots.

BUG=222618

Review URL: https://chromiumcodereview.appspot.com/13865008

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@204051 0039d316-1c4b-4281-b951-d872f2087c98