* Create unique event in global namespace so that we can detect Chrome instances across user sessions.
* Create unique event in global namespace
so that we can detect Chrome instances across user sessions.

Review URL: http://codereview.chromium.org/10234

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@5057 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