Use macros to define pepper interfaces

ppapi/proxy/ppb_audio_proxy.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_PROXY_PPB_AUDIO_PROXY_H_
 #define PPAPI_PROXY_PPB_AUDIO_PROXY_H_
 
 #include <utility>
 
 #include "base/basictypes.h"
@@ skipping 12 matching lines @@
 struct PPB_Audio;
 
 namespace ppapi {
 
 class HostResource;
 
 namespace proxy {
 
 class PPB_Audio_Proxy : public InterfaceProxy {
  public:
-  PPB_Audio_Proxy(Dispatcher* dispatcher, const void* target_interface);
+  PPB_Audio_Proxy(Dispatcher* dispatcher);
   virtual ~PPB_Audio_Proxy();
 
-  static const Info* GetInfo();
-
   // Creates an Audio object in the plugin process.
   static PP_Resource CreateProxyResource(PP_Instance instance_id,
                                          PP_Resource config_id,
                                          PPB_Audio_Callback audio_callback,
                                          void* user_data);
 
 
-  const PPB_Audio* ppb_audio_target() const {
-    return static_cast<const PPB_Audio*>(target_interface());
-  }
-
   // InterfaceProxy implementation.
   virtual bool OnMessageReceived(const IPC::Message& msg);
 
+  static const InterfaceID kInterfaceID = INTERFACE_ID_PPB_AUDIO;
+
  private:
   // Plugin->renderer message handlers.
   void OnMsgCreate(PP_Instance instance_id,
                    int32_t sample_rate,
                    uint32_t sample_frame_count,
                    ppapi::HostResource* result);
   void OnMsgStartOrStop(const ppapi::HostResource& audio_id, bool play);
 
   // Renderer->plugin message handlers.
   void OnMsgNotifyAudioStreamCreated(const ppapi::HostResource& audio_id,
@@ skipping 22 matching lines @@
   pp::CompletionCallbackFactory<PPB_Audio_Proxy,
                                 ProxyNonThreadSafeRefCount> callback_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(PPB_Audio_Proxy);
 };
 
 }  // namespace proxy
 }  // namespace ppapi
 
 #endif  // PPAPI_PROXY_PPB_AUDIO_PROXY_H_