Hook up BeginFrameSource to SurfaceFactoryClient via SurfaceManager

cc/surfaces/surface_factory_client.h

Index: cc/surfaces/surface_factory_client.h
diff --git a/cc/surfaces/surface_factory_client.h b/cc/surfaces/surface_factory_client.h
index e79b18576f469c2c252c776ef88de12448a20d7b..f42bf35cbf77974ede3516a4054e7a312c8169ab 100644
--- a/cc/surfaces/surface_factory_client.h
+++ b/cc/surfaces/surface_factory_client.h
@@ -24,14 +24,8 @@ class CC_SURFACES_EXPORT SurfaceFactoryClient {
   virtual void WillDrawSurface(SurfaceId surface_id,
                                const gfx::Rect& damage_rect) {}
 
-  // This allows the SurfaceFactory to tell it's client what BeginFrameSource
-  // to use for a given surface_id.
-  // If there are multiple active surface_ids, it is the client's
-  // responsibility to pick or distribute the correct BeginFrameSource.
-  // If surface_id is null, then all BeginFrameSources previously
-  // set by this function should be invalidated.
-  virtual void SetBeginFrameSource(SurfaceId surface_id,
-                                   BeginFrameSource* begin_frame_source) = 0;
+  // This allows the SurfaceFactory to pass a BeginFrameSource to use.
+  virtual void SetBeginFrameSource(BeginFrameSource* begin_frame_source) = 0;
 };
 
 }  // namespace cc