Bug 891650. Use mTransform instead of GetDTTransform() in Mask(). r=bas

GetDTTransform includes the device offset. We need to avoid that in order for things to work properly.

--HG--
extra : rebase_source : 5a8ae0011f16b85421df182263ec3137cecf6a6b
Bug 899421 - Rename getArguments so that FennecInstrumentationTestRunner is compatible with Android API level 18. r=gbrown
Bug 898817 - Stop exposing nsIDOM* interfaces on the global automatically. r=bz
Bug 898817 - test_interfaces.html update. r=bz