Suppress two Mac Valgrind errors in CookiesWindowControllerTest.
Suppress two Mac Valgrind errors in CookiesWindowControllerTest.

TBR=jrg
BUG=31586
TEST=Mac Valgrind

Review URL: http://codereview.chromium.org/517035

git-svn-id: http://src.chromium.org/svn/trunk/src@35523 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 9664f4ef1202d7dddf942a56fcd59a3c840bdfcb
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