Implement the gamepad API in the IPC proxy

content/renderer/pepper/pepper_file_chooser_host.cc

 // Copyright (c) 2012 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.
 
 #include "content/renderer/pepper/pepper_file_chooser_host.h"
 
 #include "base/file_path.h"
 #include "base/utf_string_conversions.h"
 #include "content/public/renderer/renderer_ppapi_host.h"
 #include "content/renderer/render_view_impl.h"
@@ skipping 148 matching lines @@
 
   handler_ = new CompletionHandler(AsWeakPtr());
   RenderViewImpl* render_view = static_cast<RenderViewImpl*>(
       renderer_ppapi_host_->GetRenderViewForInstance(pp_instance()));
   if (!render_view || !render_view->runFileChooser(params, handler_)) {
     delete handler_;
     handler_ = NULL;
     return PP_ERROR_NOACCESS;
   }
 
-  reply_params_ = ppapi::proxy::ResourceMessageReplyParams(
-      context->params.pp_resource(),
-      context->params.sequence());
+  reply_params_ = context->MakeReplyParams();
   return PP_OK_COMPLETIONPENDING;
 }
 
 }  // namespace content