Replace string16 with base::string16.

chrome/browser/chromeos/login/existing_user_controller.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/chromeos/login/existing_user_controller.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 346 matching lines @@
     ShowEnrollmentScreen(true, user_context.username);
     // Enable UI for the enrollment screen. SetUIEnabled(true) will post a
     // request to show the sign-in screen again when invoked at the sign-in
     // screen; invoke SetUIEnabled() after navigating to the enrollment screen.
     login_display_->SetUIEnabled(true);
   } else {
     PerformLogin(user_context, LoginPerformer::AUTH_MODE_EXTENSION);
   }
 }
 
-string16 ExistingUserController::GetConnectedNetworkName() {
+base::string16 ExistingUserController::GetConnectedNetworkName() {
   return network_state_helper_->GetCurrentNetworkName();
 }
 
 bool ExistingUserController::IsSigninInProgress() const {
   return is_login_in_progress_;
 }
 
 void ExistingUserController::Login(const UserContext& user_context) {
   if ((user_context.username.empty() || user_context.password.empty()) &&
       user_context.auth_code.empty())
@@ skipping 727 matching lines @@
 }
 
 void ExistingUserController::SendAccessibilityAlert(
     const std::string& alert_text) {
   AccessibilityAlertInfo event(ProfileHelper::GetSigninProfile(), alert_text);
   SendControlAccessibilityNotification(
       ui::AccessibilityTypes::EVENT_VALUE_CHANGED, &event);
 }
 
 }  // namespace chromeos