Eliminate ash::internal namespace

ash/system/chromeos/bluetooth/bluetooth_notification_controller.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 ASH_SYSTEM_CHROMEOS_BLUETOOTH_BLUETOOTH_NOTIFICATION_CONTROLLER_H_
 #define ASH_SYSTEM_CHROMEOS_BLUETOOTH_BLUETOOTH_NOTIFICATION_CONTROLLER_H_
 
 #include <set>
 
 #include "ash/ash_export.h"
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "base/strings/string16.h"
 #include "device/bluetooth/bluetooth_adapter.h"
 #include "device/bluetooth/bluetooth_device.h"
 
 namespace ash {
-namespace internal {
 
 // The BluetoothNotificationController receives incoming pairing requests from
 // the BluetoothAdapter, and notifications of changes to the adapter state and
 // set of paired devices. It presents incoming pairing requests in the form of
 // rich notifications that the user can interact with to approve the request.
 class ASH_EXPORT BluetoothNotificationController
     : public device::BluetoothAdapter::Observer,
       public device::BluetoothDevice::PairingDelegate {
  public:
   BluetoothNotificationController();
@@ skipping 51 matching lines @@
   // filter out property changes for devices that were previously paired.
   std::set<std::string> paired_devices_;
 
   // Note: This should remain the last member so it'll be destroyed and
   // invalidate its weak pointers before any other members are destroyed.
   base::WeakPtrFactory<BluetoothNotificationController> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(BluetoothNotificationController);
 };
 
-}  // namespace internal
 }  // namespace ash
 
 #endif  // ASH_SYSTEM_CHROMEOS_BLUETOOTH_BLUETOOTH_NOTIFICATION_CONTROLLER_H_