using nsIPromptService directly. this removes the dom and windowwatcher dependency from exthandler. r=bzbarsky sr=darin git-svn-id: svn://10.0.0.236/trunk@163745 18797224-902f-48f8-a5cc-f745e15eee43
using nsIPromptService directly. this removes the dom and windowwatcher dependency from exthandler. r=bzbarsky sr=darin git-svn-id: svn://10.0.0.236/trunk@163745 18797224-902f-48f8-a5cc-f745e15eee43