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

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/shared_impl/resource.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 thunk::PPB_Audio_API,
                   public base::DelegateSimpleThread::Delegate {
  public:
@@ skipping 53 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_