Move Singleton and related structs to namespace base

content/browser/device_sensors/device_inertial_sensor_service.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_DEVICE_SENSORS_DEVICE_INERTIAL_SENSOR_SERVICE_H_
 #define CONTENT_BROWSER_DEVICE_SENSORS_DEVICE_INERTIAL_SENSOR_SERVICE_H_
 
 #include "base/basictypes.h"
 #include "base/callback_forward.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 30 matching lines @@
       ConsumerType consumer_type, base::ProcessHandle handle);
 
   // Stop/join with the background polling thread in |provider_|.
   void Shutdown();
 
   // Injects a custom data fetcher for testing purposes. This class takes
   // ownership of the injected object.
   void SetDataFetcherForTesting(DataFetcherSharedMemory* test_data_fetcher);
 
  private:
-  friend struct DefaultSingletonTraits<DeviceInertialSensorService>;
+  friend struct base::DefaultSingletonTraits<DeviceInertialSensorService>;
 
   DeviceInertialSensorService();
   virtual ~DeviceInertialSensorService();
 
   bool ChangeNumberConsumers(ConsumerType consumer_type,
       int delta);
   int GetNumberConsumers(ConsumerType consumer_type) const;
 
   int num_light_readers_;
   int num_motion_readers_;
   int num_orientation_readers_;
   bool is_shutdown_;
   scoped_ptr<DataFetcherSharedMemory> data_fetcher_;
   base::ThreadChecker thread_checker_;
 
   DISALLOW_COPY_AND_ASSIGN(DeviceInertialSensorService);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_DEVICE_SENSORS_DEVICE_INERTIAL_SENSOR_SERVICE_H_