cc: Don't leak the texture returned in CopyOutputRequest ever.

cc/output/gl_renderer.h

Index: cc/output/gl_renderer.h
diff --git a/cc/output/gl_renderer.h b/cc/output/gl_renderer.h
index b1a3643b2ba8d98ef9ec3f3e4f31d80d073f3834..396942324ddfced5b53cdac80c546244fdc3bffc 100644
--- a/cc/output/gl_renderer.h
+++ b/cc/output/gl_renderer.h
@@ -212,16 +212,6 @@ class CC_EXPORT GLRenderer : public DirectRenderer {
                       scoped_ptr<CopyOutputRequest> request,
                       bool success);
 
-  static void DeleteTextureReleaseCallback(
-      scoped_refptr<base::SingleThreadTaskRunner> task_runner,
-      base::WeakPtr<GLRenderer> gl_renderer,
-      unsigned texture_id,
-      unsigned sync_point,
-      bool lost_resource);
-  void DeleteTextureReleaseCallbackOnImplThread(unsigned texture_id,
-                                                unsigned sync_point,
-                                                bool lost_resource);
-
   void ReinitializeGrCanvas();
   void ReinitializeGLState();
 
@@ -459,8 +449,6 @@ class CC_EXPORT GLRenderer : public DirectRenderer {
   SkBitmap on_demand_tile_raster_bitmap_;
   ResourceProvider::ResourceId on_demand_tile_raster_resource_id_;
 
-  base::WeakPtrFactory<GLRenderer> weak_factory_;
-
   DISALLOW_COPY_AND_ASSIGN(GLRenderer);
 };