Use macros to define pepper interfaces

ppapi/proxy/ppb_crypto_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_CRYPTO_PROXY_H_
 #define PPAPI_PROXY_PPB_CRYPTO_PROXY_H_
 
 #include "ppapi/proxy/interface_proxy.h"
 
 namespace ppapi {
 namespace proxy {
 
 class PPB_Crypto_Proxy : public InterfaceProxy {
  public:
   // This class should not normally be instantiated since there's only one
   // function that's implemented entirely within the plugin. However, we need
   // to support this so the machinery for automatically handling interfaces
   // works. As a result, this constructor will assert if it's actually used.
-  PPB_Crypto_Proxy(Dispatcher* dispatcher, const void* target_interface);
+  PPB_Crypto_Proxy(Dispatcher* dispatcher);
   virtual ~PPB_Crypto_Proxy();
 
   static const Info* GetInfo();
 
  private:
   virtual bool OnMessageReceived(const IPC::Message& msg);
 
   DISALLOW_COPY_AND_ASSIGN(PPB_Crypto_Proxy);
 };
 
 }  // namespace proxy
 }  // namespace ppapi
 
 #endif  // PPAPI_PROXY_PPB_CRYPTO_PROXY_H_