One more flaky test suppression from the 48610:48642 Webkit roll
One more flaky test suppression from the 48610:48642 Webkit roll

TBR=paul

BUG=None
TEST=Webkit Mac10.5 Debug

Review URL: http://codereview.chromium.org/219002

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@26888 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