Added support for multiple parameters to Extension API callbacks.

chrome/browser/chromeos/media/media_player_extension_api.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 "base/values.h"
 #include "chrome/browser/chromeos/media/media_player.h"
 #include "chrome/browser/chromeos/media/media_player_extension_api.h"
 
 static const char kPropertyItems[] = "items";
 static const char kPropertyPosition[] = "position";
@@ skipping 40 matching lines @@
   return result;
 }
 
 bool GetPlaylistMediaplayerFunction::RunImpl() {
   DictionaryValue* result = new DictionaryValue();
   MediaPlayer* player = MediaPlayer::GetInstance();
 
   result->Set(kPropertyItems, GetPlaylistItems());
   result->SetInteger(kPropertyPosition, player->GetPlaylistPosition());
 
-  result_.reset(result);
+  SetResult(result);
   return true;
 }
 
 bool SetWindowHeightMediaplayerFunction::RunImpl() {
   int height;
   if (!args_->GetInteger(0, &height))
     return false;
   MediaPlayer::GetInstance()->SetWindowHeight(height);
   return true;
 }
 
 bool CloseWindowMediaplayerFunction::RunImpl() {
   MediaPlayer::GetInstance()->CloseWindow();
   return true;
 }