Added support for multiple parameters to Extension API callbacks.

chrome/browser/extensions/extension_input_method_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 "chrome/browser/extensions/extension_input_method_api.h"
 
 #include "base/values.h"
 #include "chrome/browser/chromeos/input_method/input_method_manager.h"
 #include "chrome/browser/chromeos/extensions/input_method_event_router.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/profiles/profile.h"
 
 GetInputMethodFunction::GetInputMethodFunction() {
 }
 
 GetInputMethodFunction::~GetInputMethodFunction() {
 }
 
 bool GetInputMethodFunction::RunImpl() {
 #if !defined(OS_CHROMEOS)
   NOTREACHED();
   return false;
 #else
   chromeos::ExtensionInputMethodEventRouter* router =
       profile_->GetExtensionService()->input_method_event_router();
   chromeos::input_method::InputMethodManager* manager =
       chromeos::input_method::InputMethodManager::GetInstance();
   const std::string input_method =
       router->GetInputMethodForXkb(manager->GetCurrentInputMethod().id());
-  result_.reset(Value::CreateStringValue(input_method));
+  SetResult(Value::CreateStringValue(input_method));
   return true;
 #endif
 }