Add a unified resource tracker shared between the proxy and the impl.

webkit/plugins/ppapi/ppb_buffer_impl.h

 // Copyright (c) 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 WEBKIT_PLUGINS_PPAPI_PPB_BUFFER_IMPL_H_
 #define WEBKIT_PLUGINS_PPAPI_PPB_BUFFER_IMPL_H_
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/shared_memory.h"
@@ skipping 14 matching lines @@
  public:
   virtual ~PPB_Buffer_Impl();
 
   static PP_Resource Create(PluginInstance* instance, uint32_t size);
 
   virtual PPB_Buffer_Impl* AsPPB_Buffer_Impl();
 
   base::SharedMemory* shared_memory() const { return shared_memory_.get(); }
   uint32_t size() const { return size_; }
 
-  // ResourceObjectBase overrides.
+  // Resource overrides.
   virtual ::ppapi::thunk::PPB_Buffer_API* AsPPB_Buffer_API() OVERRIDE;
   virtual ::ppapi::thunk::PPB_BufferTrusted_API* AsPPB_BufferTrusted_API();
 
   // PPB_Buffer_API implementation.
   virtual PP_Bool Describe(uint32_t* size_in_bytes) OVERRIDE;
   virtual PP_Bool IsMapped() OVERRIDE;
   virtual void* Map() OVERRIDE;
   virtual void Unmap() OVERRIDE;
 
   // PPB_BufferTrusted_API implementation.
@@ skipping 29 matching lines @@
   void* data_;
   uint32_t size_;
 
   DISALLOW_COPY_AND_ASSIGN(BufferAutoMapper);
 };
 
 }  // namespace ppapi
 }  // namespace webkit
 
 #endif  // WEBKIT_PLUGINS_PPAPI_PPB_BUFFER_IMPL_H_