base and document URI of the document on whose current context our code is
running. r+sr=jst, r=dcamp
Bug 465752. Fix Equals() to work right on javascript: URIs. r=dcamp, sr=jst.
Both a=ss
git-svn-id: svn://10.0.0.236/trunk@255943 18797224-902f-48f8-a5cc-f745e15eee43