Presumbit check for 'Suppression:' in valgrind suppressions
Presumbit check for 'Suppression:' in valgrind suppressions

BUG=None
TEST=Try to accidentally break the valgrind suppressions by pasting too much into the file; fail.

Review URL: http://codereview.chromium.org/2847044

git-svn-id: http://src.chromium.org/svn/trunk/src@51717 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: df026ecef71ec5f51ed190176141b9ad35caf9ee
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