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

ppapi/shared_impl/audio_config_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_CONFIG_IMPL_H_
 #define PPAPI_SHARED_IMPL_AUDIO_CONFIG_IMPL_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
-#include "ppapi/shared_impl/resource_object_base.h"
+#include "ppapi/shared_impl/resource.h"
 #include "ppapi/thunk/ppb_audio_config_api.h"
 
 namespace ppapi {
 
 class AudioConfigImpl : public thunk::PPB_AudioConfig_API {
  public:
   // You must call Init before using this object.
   AudioConfigImpl();
   virtual ~AudioConfigImpl();
 
   // Returns false if the arguments are invalid, the object should not be
   // used in this case.
   bool Init(PP_AudioSampleRate sample_rate, uint32_t sample_frame_count);
 
   // PPB_AudioConfig_API implementation.
   virtual PP_AudioSampleRate GetSampleRate() OVERRIDE;
   virtual uint32_t GetSampleFrameCount() OVERRIDE;
 
  private:
   PP_AudioSampleRate sample_rate_;
   uint32_t sample_frame_count_;
 
   DISALLOW_COPY_AND_ASSIGN(AudioConfigImpl);
 };
 
 }  // namespace ppapi
 
 #endif  // PPAPI_SHARED_IMPL_AUDIO_CONFIG_IMPL_H_