scriptsecuritymanager register for that and implement nsIChannelEventSink. Veto
redirects if CheckLoadURI fails. Remove the explicit usage of
nsIScriptSecurityManager from nsHttpChannel.cpp.
This eliminates js and xpconnect from REQUIRES, and brings us closer to remove
caps.
r=darin sr=bz
git-svn-id: svn://10.0.0.236/trunk@184313 18797224-902f-48f8-a5cc-f745e15eee43