GitLab

buffer_pool_lock_ is not needed on the UI thread for this test, but if the
camera started and stopped without an OnFrameInfo, then it's possible that
the buffer_pool_ was never created.

BUG=231723

Review URL: https://chromiumcodereview.appspot.com/15070008

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@203069 0039d316-1c4b-4281-b951-d872f2087c98