Remove the CCOcclusionTracker include from CCRenderPass header file

cc/CCRenderPass.h

 // Copyright 2011 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 CCRenderPass_h
 #define CCRenderPass_h
 
 #include "base/basictypes.h"
 #include "cc/hash_pair.h"
 #include "cc/scoped_ptr_hash_map.h"
 #include "cc/scoped_ptr_vector.h"
 #include "CCDrawQuad.h"
-#include "CCOcclusionTracker.h"
 #include "CCSharedQuadState.h"
 #include "FloatRect.h"
 #include "SkColor.h"
 #include <public/WebFilterOperations.h>
 #include <public/WebTransformationMatrix.h>
 #include <vector>
 
 namespace cc {
 
 class CCLayerImpl;
+template<typename LayerType, typename SurfaceType>
+class CCOcclusionTrackerBase;
 class CCRenderSurface;
 
 struct CCAppendQuadsData;
 
+typedef CCOcclusionTrackerBase<CCLayerImpl, CCRenderSurface> CCOcclusionTrackerImpl;
+
 // A list of CCDrawQuad objects, sorted internally in front-to-back order.
 class CCQuadList : public ScopedPtrVector<CCDrawQuad> {
 public:
     typedef reverse_iterator backToFrontIterator;
     typedef const_reverse_iterator constBackToFrontIterator;
 
     inline backToFrontIterator backToFrontBegin() { return rbegin(); }
     inline backToFrontIterator backToFrontEnd() { return rend(); }
     inline constBackToFrontIterator backToFrontBegin() const { return rbegin(); }
     inline constBackToFrontIterator backToFrontEnd() const { return rend(); }
@@ skipping 90 matching lines @@
 #error define a hash function for your compiler
 #endif // COMPILER
 }
 
 namespace cc {
 typedef std::vector<CCRenderPass*> CCRenderPassList;
 typedef ScopedPtrHashMap<CCRenderPass::Id, CCRenderPass> CCRenderPassIdHashMap;
 } // namespace cc
 
 #endif