Use macros to define pepper interfaces

ppapi/proxy/ppb_url_request_info_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_URL_REQUEST_INFO_PROXY_H_
-#define PPAPI_PROXY_PPB_URL_REQUEST_INFO_PROXY_H_
-
-#include "base/basictypes.h"
-#include "ppapi/c/pp_instance.h"
-#include "ppapi/proxy/interface_proxy.h"
-
-namespace ppapi {
-
-struct PPB_URLRequestInfo_Data;
-
-namespace proxy {
-
-class PPB_URLRequestInfo_Proxy : public InterfaceProxy {
- public:
-  PPB_URLRequestInfo_Proxy(Dispatcher* dispatcher,
-                           const void* target_interface);
-  virtual ~PPB_URLRequestInfo_Proxy();
-
-  static const Info* GetInfo();
-
-  // InterfaceProxy implementation.
-  virtual bool OnMessageReceived(const IPC::Message& msg);
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(PPB_URLRequestInfo_Proxy);
-};
-
-}  // namespace proxy
-}  // namespace ppapi
-
-#endif  // PPAPI_PROXY_PPB_URL_REQUEST_INFO_PROXY_H_