cc: Clean up OcclusionTracker template parameters.

cc/layers/delegated_renderer_layer.h

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CC_LAYERS_DELEGATED_RENDERER_LAYER_H_
 #define CC_LAYERS_DELEGATED_RENDERER_LAYER_H_
 
 #include "base/containers/hash_tables.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "base/synchronization/lock.h"
 #include "cc/base/cc_export.h"
 #include "cc/layers/delegated_frame_provider.h"
 #include "cc/layers/layer.h"
 #include "cc/resources/returned_resource.h"
 
 namespace cc {
 class BlockingTaskRunner;
 
 class CC_EXPORT DelegatedRendererLayer : public Layer {
  public:
   static scoped_refptr<DelegatedRendererLayer> Create(
       const scoped_refptr<DelegatedFrameProvider>& frame_provider);
 
   virtual scoped_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl)
       OVERRIDE;
   virtual void SetLayerTreeHost(LayerTreeHost* host) OVERRIDE;
   virtual bool Update(ResourceUpdateQueue* queue,
-                      const OcclusionTracker* occlusion) OVERRIDE;
+                      const OcclusionTracker<Layer>* occlusion) OVERRIDE;
   virtual void PushPropertiesTo(LayerImpl* impl) OVERRIDE;
 
   // Set the size at which the frame should be displayed, with the origin at the
   // layer's origin. This must always contain at least the layer's bounds. A
   // value of (0, 0) implies that the frame should be displayed to fit exactly
   // in the layer's bounds.
   void SetDisplaySize(const gfx::Size& size);
 
   // Called by the DelegatedFrameProvider when a new frame is available to be
   // picked up.
@@ skipping 16 matching lines @@
 
   scoped_refptr<BlockingTaskRunner> main_thread_runner_;
   base::WeakPtrFactory<DelegatedRendererLayer> weak_ptrs_;
 
   DISALLOW_COPY_AND_ASSIGN(DelegatedRendererLayer);
 };
 
 }  // namespace cc
 
 #endif  // CC_LAYERS_DELEGATED_RENDERER_LAYER_H_