Move Singleton and related structs to namespace base

chrome/browser/chromeos/policy/user_cloud_policy_manager_factory_chromeos.cc

 // Copyright (c) 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/policy/user_cloud_policy_manager_factory_chromeos.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/logging.h"
@@ skipping 55 matching lines @@
 
 // Timeout in seconds after which to abandon the initial policy fetch and start
 // the session regardless.
 const int kInitialPolicyFetchTimeoutSeconds = 10;
 
 }  // namespace
 
 // static
 UserCloudPolicyManagerFactoryChromeOS*
     UserCloudPolicyManagerFactoryChromeOS::GetInstance() {
-  return Singleton<UserCloudPolicyManagerFactoryChromeOS>::get();
+  return base::Singleton<UserCloudPolicyManagerFactoryChromeOS>::get();
 }
 
 // static
 UserCloudPolicyManagerChromeOS*
     UserCloudPolicyManagerFactoryChromeOS::GetForProfile(
         Profile* profile) {
   return GetInstance()->GetManagerForProfile(profile);
 }
 
 // static
@@ skipping 160 matching lines @@
 
 bool UserCloudPolicyManagerFactoryChromeOS::HasTestingFactory(
     content::BrowserContext* context) {
   return false;
 }
 
 void UserCloudPolicyManagerFactoryChromeOS::CreateServiceNow(
     content::BrowserContext* context) {}
 
 }  // namespace policy