Description: replace the hardcode of "@mozilla.org/embedcomp/window-watcher;1" with NS_WINDOWWATCHER_CONTRACTID Patch by Henry.Jia@sun.com r=blizzard, sr=alecf, a=asa(for trunk) git-svn-id: svn://10.0.0.236/trunk@125597 18797224-902f-48f8-a5cc-f745e15eee43