Merge the plugin and impl side of the audio config and input event resources.

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.h"
 #include "ppapi/thunk/ppb_audio_config_api.h"
 
 namespace ppapi {
 
-class AudioConfigImpl : public thunk::PPB_AudioConfig_API {
+class AudioConfigImpl : public Resource,
+                        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);
+  static PP_Resource CreateAsImpl(PP_Instance instance,
+                                  PP_AudioSampleRate sample_rate,
+                                  uint32_t sample_frame_count);
+  static PP_Resource CreateAsProxy(PP_Instance instance,
+                                   PP_AudioSampleRate sample_rate,
+                                   uint32_t sample_frame_count);
+
+  // Resource overrides.
+  virtual thunk::PPB_AudioConfig_API* AsPPB_AudioConfig_API() OVERRIDE;
 
   // PPB_AudioConfig_API implementation.
   virtual PP_AudioSampleRate GetSampleRate() OVERRIDE;
   virtual uint32_t GetSampleFrameCount() OVERRIDE;
 
  private:
+  // You must call Init before using this object.
+  AudioConfigImpl(PP_Instance instance);               // Impl constructor.
+  AudioConfigImpl(const HostResource& host_resource);  // Proxy constructor.

[yzshen1, 2011/08/22 17:37:00]

It may be good to mark them as 'explicit'.

+
+  // 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);
+
   PP_AudioSampleRate sample_rate_;
   uint32_t sample_frame_count_;
 
   DISALLOW_COPY_AND_ASSIGN(AudioConfigImpl);
 };
 
 }  // namespace ppapi
 
 #endif  // PPAPI_SHARED_IMPL_AUDIO_CONFIG_IMPL_H_