Bug 1041466 - Don't remove one too many streams from the SCC stack. r=roc, a=sledru

Also reduce the number of ProcessedMediaStream* static_casts and use a new
variable name |removed| to emphasize what is happening.
Bug 1041416 - Prevent a race condition between the deserialization and the destruction of DXGI textures for the D3D9 backend. r=Bas, a=sledru
Bug 1041519 - IonMonkey (ARM): Instantiate setVFPRegister for use by the jsapi-tests. r=mjrosenb, a=NPOTB
Bug 1045500 - Allow differentiating GMP PluginCrashed events from others. r=jesup, a=sledru
Bug 1045500 - Skip processing the plugin name for plugin crashes in the front-end for GMP plugins. r=ttaubert, a=sledru