ui: Move software fallback decisions to GpuProcessTransportFactory.

ui/compositor/compositor.h

Index: ui/compositor/compositor.h
diff --git a/ui/compositor/compositor.h b/ui/compositor/compositor.h
index a734f3e9c33cb2eeea97541b75538e7c07b60df9..c02e0d571cbbf72d134aaee151186084d7a877fa 100644
--- a/ui/compositor/compositor.h
+++ b/ui/compositor/compositor.h
@@ -68,8 +68,7 @@ class COMPOSITOR_EXPORT ContextFactory {
   // Creates an output surface for the given compositor. The factory may keep
   // per-compositor data (e.g. a shared context), that needs to be cleaned up
   // by calling RemoveCompositor when the compositor gets destroyed.
-  virtual void CreateOutputSurface(base::WeakPtr<Compositor> compositor,
-                                   bool software_fallback) = 0;
+  virtual void CreateOutputSurface(base::WeakPtr<Compositor> compositor) = 0;
 
   // Creates a reflector that copies the content of the |mirrored_compositor|
   // onto |mirroring_layer|.
@@ -286,11 +285,6 @@ class COMPOSITOR_EXPORT Compositor
   friend class base::RefCounted<Compositor>;
   friend class CompositorLock;
 
-  enum {
-   OUTPUT_SURFACE_RETRIES_BEFORE_FALLBACK = 4,
-   MAX_OUTPUT_SURFACE_RETRIES = 5,
-  };
-
   // Called by CompositorLock.
   void UnlockCompositor();
 
@@ -323,8 +317,6 @@ class COMPOSITOR_EXPORT Compositor
   int last_started_frame_;
   int last_ended_frame_;
 
-  int num_failed_recreate_attempts_;
-
   bool disable_schedule_composite_;
 
   CompositorLock* compositor_lock_;