Suppresses leak in TabStrip.
Suppresses leak in TabStrip.

BUG=40475
TEST=none
TBR=oshima@chromium.org
Review URL: http://codereview.chromium.org/1591016

git-svn-id: http://src.chromium.org/svn/trunk/src@43659 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: ae0e9d647c978b2a1819c5bc3017108fbc41cc70
meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser