Pass in right parameter for safe_browsing valgrind test on trybot.
Pass in right parameter for safe_browsing valgrind test on trybot.

Test=safe_browsing_tests green on valgrind (and actually runs!)
BUG=68239

Review URL: http://codereview.chromium.org/6009012

git-svn-id: http://src.chromium.org/svn/trunk/src@70917 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: f4f25d1b58a72c0ef8ebb630b38738bea70e976d
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