Suppresses the in browser_sync::SyncBackendHost::Core::NotifyFrontend().
Suppresses the in browser_sync::SyncBackendHost::Core::NotifyFrontend().

TBR=zork
BUG=38490
TEST=make valgrind bots green.
Review URL: http://codereview.chromium.org/1086001

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@41913 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