Replace string16 with base::string16.

chrome/browser/chromeos/login/fake_supervised_user_manager.cc

 // Copyright 2013 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/chromeos/login/fake_supervised_user_manager.h"
 
 #include <string>
 
 namespace chromeos {
 
 FakeSupervisedUserManager::FakeSupervisedUserManager()  {}
 
 FakeSupervisedUserManager::~FakeSupervisedUserManager() {
 }
 
 const User* FakeSupervisedUserManager::CreateUserRecord(
     const std::string& manager_id,
     const std::string& local_user_id,
     const std::string& sync_user_id,
-    const string16& display_name) {
+    const base::string16& display_name) {
   return NULL;
 }
 
 std::string FakeSupervisedUserManager::GenerateUserId() {
   return std::string();
 }
 
 const User* FakeSupervisedUserManager::FindByDisplayName(
-    const string16& display_name) const {
+    const base::string16& display_name) const {
   return NULL;
 }
 
 const User* FakeSupervisedUserManager::FindBySyncId(
     const std::string& sync_id) const {
   return NULL;
 }
 
 std::string FakeSupervisedUserManager::GetUserSyncId(
     const std::string& managed_user_id) const {
   return std::string();
 }
 
 string16 FakeSupervisedUserManager::GetManagerDisplayName(
     const std::string& managed_user_id) const {
-  return string16();
+  return base::string16();
 }
 
 std::string FakeSupervisedUserManager::GetManagerUserId(
     const std::string& managed_user_id) const {
   return std::string();
 }
 
 std::string FakeSupervisedUserManager::GetManagerDisplayEmail(
     const std::string& managed_user_id) const {
   return std::string();
 }
 
 }  // namespace chromeos