Suppressing memory leak on mac valgrind bots.
Suppressing memory leak on mac valgrind bots.

BUG=73036
TEST=mac valgrind bots should cycle green

Review URL: http://codereview.chromium.org/6499021

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@74976 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser