on nsPIWindowWatcher and use it from nsDocShellTreeOwner. Bug 282296, r=danm, sr=jst git-svn-id: svn://10.0.0.236/trunk@170137 18797224-902f-48f8-a5cc-f745e15eee43
on nsPIWindowWatcher and use it from nsDocShellTreeOwner. Bug 282296, r=danm, sr=jst git-svn-id: svn://10.0.0.236/trunk@170137 18797224-902f-48f8-a5cc-f745e15eee43