BookmarksUITest.ShouldRedirectToExtension fails under valgrind on mac
BookmarksUITest.ShouldRedirectToExtension fails under valgrind on mac

Adding to valgrind exception list while we determine source of failure.  Note, same test does not fail 
under other platforms, nor does it fail under non-valgrind Mac bots.

Related review: http://codereview.chromium.org/1342003

BUG=39401
TEST=none

Review URL: http://codereview.chromium.org/1413001

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@42798 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