Allow running the browser_tests in valgrind.
Allow running the browser_tests in valgrind.

BUG=none
TEST=none
Review URL: http://codereview.chromium.org/165325

git-svn-id: http://src.chromium.org/svn/trunk/src@23093 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 75a10a6e55b6853aa66cda7ed4347b8ed2a3626b
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