Move the refcounting from the proxy/impl resource object to the shared resource object base class.

ppapi/shared_impl/audio_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 PPAPI_SHARED_IMPL_AUDIO_IMPL_H_
 #define PPAPI_SHARED_IMPL_AUDIO_IMPL_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "base/shared_memory.h"
 #include "base/sync_socket.h"
 #include "base/threading/simple_thread.h"
 #include "ppapi/c/ppb_audio.h"
 #include "ppapi/shared_impl/resource_object_base.h"
 #include "ppapi/thunk/ppb_audio_api.h"
 
 namespace ppapi {
 
 // Implements the logic to map shared memory and run the audio thread signaled
 // from the sync socket. Both the proxy and the renderer implementation use
 // this code.
-class AudioImpl : public ResourceObjectBase,
-                  public thunk::PPB_Audio_API,
+class AudioImpl : public thunk::PPB_Audio_API,
                   public base::DelegateSimpleThread::Delegate {
  public:
   AudioImpl();
   virtual ~AudioImpl();
 
-  // ResourceObjectBase implementation.
-  virtual ::ppapi::thunk::PPB_Audio_API* AsPPB_Audio_API() OVERRIDE;
-
   bool playing() const { return playing_; }
 
   // Sets the callback information that the background thread will use. This
   // is optional. Without a callback, the thread will not be run. This
   // non-callback mode is used in the renderer with the proxy, since the proxy
   // handles the callback entirely within the plugin process.
   void SetCallback(PPB_Audio_Callback callback, void* user_data);
 
   // Configures the current state to be playing or not. The caller is
   // responsible for ensuring the new state is the opposite of the current one.
@@ skipping 40 matching lines @@
   // Callback to call when audio is ready to accept new samples.
   PPB_Audio_Callback callback_;
 
   // User data pointer passed verbatim to the callback function.
   void* user_data_;
 };
 
 }  // namespace ppapi
 
 #endif  // PPAPI_SHARED_IMPL_AUDIO_IMPL_H_