Disable ES3 msaa on ARM

BUG=321701
R=piman@chromium.org

Review URL: https://codereview.chromium.org/84033003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@236832 0039d316-1c4b-4281-b951-d872f2087c98
Do not leak a DictionaryValue from RendererOverridesHandlerTest.QueryUsageAndQuota.

Fix memory leak in content_browsertests discovered by LeakSanitizer.

BUG=307043
TBR=pfeldman@chromium.org
TEST=content_browsertests:RendererOverridesHandlerTest.*

Review URL: https://codereview.chromium.org/83073008

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@236833 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 236833