Move Singleton and related structs to namespace base

content/browser/shared_worker/shared_worker_service_impl.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_SHARED_WORKER_SHARED_WORKER_SERVICE_IMPL_H_
 #define CONTENT_BROWSER_SHARED_WORKER_SHARED_WORKER_SERVICE_IMPL_H_
 
 #include <set>
 
 #include "base/compiler_specific.h"
@@ skipping 82 matching lines @@
   // IncrementWorkerRefCount and DecrementWorkerRefCount of
   // RenderProcessHostImpl on UI thread if necessary.
   void CheckWorkerDependency();
 
   void NotifyWorkerDestroyed(int worker_process_id, int worker_route_id);
 
  private:
   class SharedWorkerPendingInstance;
   class SharedWorkerReserver;
 
-  friend struct DefaultSingletonTraits<SharedWorkerServiceImpl>;
+  friend struct base::DefaultSingletonTraits<SharedWorkerServiceImpl>;
   friend class SharedWorkerServiceImplTest;
 
   typedef void (*UpdateWorkerDependencyFunc)(const std::vector<int>&,
                                              const std::vector<int>&);
   typedef bool (*TryIncrementWorkerRefCountFunc)(bool);
   // Pair of render_process_id and worker_route_id.
   typedef std::pair<int, int> ProcessRouteIdPair;
   typedef base::ScopedPtrHashMap<ProcessRouteIdPair,
                                  scoped_ptr<SharedWorkerHost>> WorkerHostMap;
   typedef base::ScopedPtrHashMap<int, scoped_ptr<SharedWorkerPendingInstance>>
@@ skipping 54 matching lines @@
   int next_pending_instance_id_;
 
   base::ObserverList<WorkerServiceObserver> observers_;
 
   DISALLOW_COPY_AND_ASSIGN(SharedWorkerServiceImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_SHARED_WORKER_SHARED_WORKER_SERVICE_IMPL_H_