Converted PluginResource reply message handling to use base::Callback

ppapi/proxy/file_chooser_resource.h

 // 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.
 
 #ifndef PPAPI_PROXY_FILE_CHOOSER_RESOURCE_H_
 #define PPAPI_PROXY_FILE_CHOOSER_RESOURCE_H_
 
 #include <queue>
 #include <string>
 #include <vector>
@@ skipping 36 matching lines @@
   virtual int32_t ShowWithoutUserGesture0_5(
       PP_Bool save_as,
       PP_Var suggested_file_name,
       scoped_refptr<TrackedCallback> callback) OVERRIDE;
 
   // Parses the accept string into the given vector.
   static void PopulateAcceptTypes(const std::string& input,
                                   std::vector<std::string>* output);
 
  private:
-  // PluginResource override.
-  virtual void OnReplyReceived(const ResourceMessageReplyParams& params,
-                               const IPC::Message& msg) OVERRIDE;
-
   void OnPluginMsgShowReply(
       const ResourceMessageReplyParams& params,
       const std::vector<PPB_FileRef_CreateInfo>& chosen_files);
 
   int32_t ShowInternal(PP_Bool save_as,
                        const PP_Var& suggested_file_name,
                        scoped_refptr<TrackedCallback> callback);
 
   PP_FileChooserMode_Dev mode_;
   std::vector<std::string> accept_types_;
 
   // When using v0.6 of the API, contains the array output info.
   ArrayWriter output_;
 
   // When using v0.5 of the API, contains all files returned by the current
   // show callback that haven't yet been given to the plugin. The plugin will
   // repeatedly call us to get the next file, and we'll vend those out of this
   // queue, removing them when ownership has transferred to the plugin.
   std::queue<PP_Resource> file_queue_;
 
   scoped_refptr<TrackedCallback> callback_;
 
   DISALLOW_COPY_AND_ASSIGN(FileChooserResource);
 };
 
 }  // namespace proxy
 }  // namespace ppapi
 
 #endif  // PPAPI_PROXY_FILE_CHOOSER_RESOURCE_H_