Switch to NPZC
Bug 866232 - Allow the GeckoContentController interface to identify which layer is being operated upon. r=
Bug 866232 - Flip the default APZC gesture behaviour. r=
Bug 866232 - Move around code in APZC to more easily allow creating it on the compositor thread. r=
Bug 866232 - Add an APZCTreeManager to encapsulate the multiple APZCs corresponding to a given layer tree. r=
Bug 866232 - Add code to build the APZC tree on layer updates. r=
Bug 866232 - Some documentation/variable renaming cleanup. r=
Bug 866232 - Extract a GetCurrentAsyncTransform method in APZC. r=