Move Singleton and related structs to namespace base

chrome/browser/policy/cloud/user_cloud_policy_manager_factory.h

 // 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.
 
 #ifndef CHROME_BROWSER_POLICY_CLOUD_USER_CLOUD_POLICY_MANAGER_FACTORY_H_
 #define CHROME_BROWSER_POLICY_CLOUD_USER_CLOUD_POLICY_MANAGER_FACTORY_H_
 
 #include <map>
 
 #include "base/basictypes.h"
@@ skipping 67 matching lines @@
   // Allows testing code to inject UserCloudPolicyManager objects for tests.
   // The factory function will be invoked for every Profile created. Because
   // this class does not free the UserCloudPolicyManager objects it manages,
   // it is up to the tests themselves to free the objects after the profile is
   // shut down.
   void RegisterTestingFactory(TestingFactoryFunction factory);
   void ClearTestingFactory();
 
  private:
   class ManagerWrapper;
-  friend struct DefaultSingletonTraits<UserCloudPolicyManagerFactory>;
+  friend struct base::DefaultSingletonTraits<UserCloudPolicyManagerFactory>;
 
   UserCloudPolicyManagerFactory();
   ~UserCloudPolicyManagerFactory() override;
 
   // See comments for the static versions above.
   UserCloudPolicyManager* GetManagerForBrowserContext(
       content::BrowserContext* context);
 
   scoped_ptr<UserCloudPolicyManager> CreateManagerForOriginalBrowserContext(
       content::BrowserContext* context,
@@ skipping 18 matching lines @@
 
   ManagerWrapperMap manager_wrappers_;
   TestingFactoryFunction testing_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(UserCloudPolicyManagerFactory);
 };
 
 }  // namespace policy
 
 #endif  // CHROME_BROWSER_POLICY_CLOUD_USER_CLOUD_POLICY_MANAGER_FACTORY_H_