device/bluetooth: Rename device::bluetooth_utils::UUID to device::BluetoothUUID

device/bluetooth/bluetooth_profile_win.h

 // Copyright 2013 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 DEVICE_BLUETOOTH_BLUETOOTH_PROFILE_WIN_H_
 #define DEVICE_BLUETOOTH_BLUETOOTH_PROFILE_WIN_H_
 
 #include <string>
 
 #include "device/bluetooth/bluetooth_profile.h"
+#include "device/bluetooth/bluetooth_uuid.h"
 
 namespace device {
 
 class BluetoothDeviceWin;
 
 class BluetoothProfileWin : public BluetoothProfile {
  public:
   // BluetoothProfile override.
   virtual void Unregister() OVERRIDE;
   virtual void SetConnectionCallback(
       const ConnectionCallback& callback) OVERRIDE;
 
   bool Connect(const BluetoothDeviceWin* device);
 
  private:
   friend BluetoothProfile;
 
-  BluetoothProfileWin(const std::string& uuid, const std::string& name);
+  BluetoothProfileWin(const BluetoothUUID& uuid, const std::string& name);
   virtual ~BluetoothProfileWin();
 
-  const std::string uuid_;
+  const BluetoothUUID uuid_;
   const std::string name_;
   ConnectionCallback connection_callback_;
 };
 
 }  // namespace device
 
 #endif  // DEVICE_BLUETOOTH_BLUETOOTH_PROFILE_WIN_H_