Move Singleton and related structs to namespace base

content/browser/devtools/shared_worker_devtools_manager.h

 // Copyright 2014 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 CONTENT_BROWSER_DEVTOOLS_SHARED_WORKER_DEVTOOLS_MANAGER_H_
 #define CONTENT_BROWSER_DEVTOOLS_SHARED_WORKER_DEVTOOLS_MANAGER_H_
 
 #include <map>
 
 #include "base/basictypes.h"
@@ skipping 24 matching lines @@
   // Returns true when the worker must be paused on start because a DevTool
   // window for the same former SharedWorkerInstance is still opened.
   bool WorkerCreated(int worker_process_id,
                      int worker_route_id,
                      const SharedWorkerInstance& instance);
   void WorkerReadyForInspection(int worker_process_id, int worker_route_id);
   void WorkerDestroyed(int worker_process_id, int worker_route_id);
   void RemoveInspectedWorkerData(WorkerId id);
 
  private:
-  friend struct DefaultSingletonTraits<SharedWorkerDevToolsManager>;
+  friend struct base::DefaultSingletonTraits<SharedWorkerDevToolsManager>;
   friend class SharedWorkerDevToolsAgentHost;
   friend class SharedWorkerDevToolsManagerTest;
   FRIEND_TEST_ALL_PREFIXES(SharedWorkerDevToolsManagerTest, BasicTest);
   FRIEND_TEST_ALL_PREFIXES(SharedWorkerDevToolsManagerTest, AttachTest);
 
   using AgentHostMap = std::map<WorkerId, SharedWorkerDevToolsAgentHost*>;
 
   SharedWorkerDevToolsManager();
   ~SharedWorkerDevToolsManager();
 
   AgentHostMap::iterator FindExistingWorkerAgentHost(
       const SharedWorkerInstance& instance);
 
   // Resets to its initial state as if newly created.
   void ResetForTesting();
 
   AgentHostMap workers_;
   DISALLOW_COPY_AND_ASSIGN(SharedWorkerDevToolsManager);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_DEVTOOLS_SHARED_WORKER_DEVTOOLS_MANAGER_H_