Bug 883921 - Make testFindInPage close PaintedSurface. r=gbrown

--HG--
extra : rebase_source : 9531f3c74e01edb1fad635f9ced333362daed527
bug 882196 - Android crash in nsXPCWrappedJS::AddRef, remove nsAppShell::CallObservers r=snorp
bug 882196 - Android crash in nsXPCWrappedJS::AddRef, remove nsAppShell::NotifyObservers r=kats
Fix for bug 838692 - Navigating named targets from sandboxed iframes (r=smaug)
Tests for bug 838692 - Navigating named targets from sandboxed iframes. (r=imelven)