Use macros to define pepper interfaces

ppapi/proxy/ppb_char_set_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_CHAR_SET_PROXY_H_
 #define PPAPI_PROXY_PPB_CHAR_SET_PROXY_H_
 
 #include "ppapi/c/pp_instance.h"
 #include "ppapi/c/pp_resource.h"
 #include "ppapi/proxy/interface_proxy.h"
 #include "ppapi/shared_impl/function_group_base.h"
 #include "ppapi/thunk/ppb_char_set_api.h"
 
 struct PPB_CharSet_Dev;
 struct PPB_Core;
 
 namespace ppapi {
 namespace proxy {
 
 class SerializedVarReturnValue;
 
-class PPB_CharSet_Proxy : public ppapi::FunctionGroupBase,
-                          public ppapi::thunk::PPB_CharSet_FunctionAPI,
-                          public InterfaceProxy {
+class PPB_CharSet_Proxy : public InterfaceProxy,
+                          public ppapi::thunk::PPB_CharSet_FunctionAPI {
  public:
-  PPB_CharSet_Proxy(Dispatcher* dispatcher, const void* target_interface);
+  PPB_CharSet_Proxy(Dispatcher* dispatcher);
   virtual ~PPB_CharSet_Proxy();
 
-  static const Info* GetInfo();
-
   // FunctionGroupBase overrides.
   virtual ppapi::thunk::PPB_CharSet_FunctionAPI* AsPPB_CharSet_FunctionAPI()
       OVERRIDE;
 
   // PPB_CharSet_FunctionAPI implementation.
   virtual char* UTF16ToCharSet(PP_Instance instance,
                                const uint16_t* utf16, uint32_t utf16_len,
                                const char* output_char_set,
                                PP_CharSet_ConversionError on_error,
                                uint32_t* output_length) OVERRIDE;
   virtual uint16_t* CharSetToUTF16(PP_Instance instance,
                                    const char* input, uint32_t input_len,
                                    const char* input_char_set,
                                    PP_CharSet_ConversionError on_error,
                                    uint32_t* output_length) OVERRIDE;
   virtual PP_Var GetDefaultCharSet(PP_Instance instance) OVERRIDE;
 
   // InterfaceProxy implementation.
   virtual bool OnMessageReceived(const IPC::Message& msg) OVERRIDE;
 
+  static const InterfaceID kInterfaceID = INTERFACE_ID_PPB_CHAR_SET;
+
  private:
   void OnMsgGetDefaultCharSet(PP_Instance instance,
                               SerializedVarReturnValue result);
 
   DISALLOW_COPY_AND_ASSIGN(PPB_CharSet_Proxy);
 };
 
 }  // namespace proxy
 }  // namespace ppapi
 
 #endif  // PPAPI_PROXY_PPB_CHAR_SET_PROXY_H_