Add the DelegatingRenderer class with its initialize path.

cc/resource_provider.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_RESOURCE_PROVIDER_H_
 #define CC_RESOURCE_PROVIDER_H_
 
 #include "base/basictypes.h"
 #include "base/hash_tables.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 35 matching lines @@
         Bitmap,
     };
 
     static scoped_ptr<ResourceProvider> create(OutputSurface*);
 
     virtual ~ResourceProvider();
 
     WebKit::WebGraphicsContext3D* graphicsContext3D();
     TextureCopier* textureCopier() const { return m_textureCopier.get(); }
     int maxTextureSize() const { return m_maxTextureSize; }
+    GLenum bestTextureFormat() const { return m_bestTextureFormat; }
     unsigned numResources() const { return m_resources.size(); }
 
     // Checks whether a resource is in use by a consumer.
     bool inUseByConsumer(ResourceId);
 
 
     // Producer interface.
 
     void setDefaultResourceType(ResourceType type) { m_defaultResourceType = type; }
     ResourceType defaultResourceType() const { return m_defaultResourceType; }
@@ skipping 216 matching lines @@
     int m_nextChild;
     ChildMap m_children;
 
     ResourceType m_defaultResourceType;
     bool m_useTextureStorageExt;
     bool m_useTextureUsageHint;
     bool m_useShallowFlush;
     scoped_ptr<TextureUploader> m_textureUploader;
     scoped_ptr<AcceleratedTextureCopier> m_textureCopier;
     int m_maxTextureSize;
+    GLenum m_bestTextureFormat;
 
     base::ThreadChecker m_threadChecker;
 
     DISALLOW_COPY_AND_ASSIGN(ResourceProvider);
 };
 
 }
 
 #endif  // CC_RESOURCE_PROVIDER_H_