Bluetooth: Profile support for Chrome OS

device/bluetooth/bluetooth_profile.h

 // Copyright (c) 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_H_
 #define DEVICE_BLUETOOTH_BLUETOOTH_PROFILE_H_
 
 #include <string>
 
 #include "base/callback.h"
@@ skipping 81 matching lines @@
   // to this callback.
   //
   // The socket will be closed when all references are released; none of the
   // BluetoothProfile, or BluetoothAdapter or BluetoothDevice objects are
   // guaranteed to hold a reference so this may outlive all of them.
   typedef base::Callback<void(
       const BluetoothDevice*,
       scoped_refptr<BluetoothSocket>)> ConnectionCallback;
   virtual void SetConnectionCallback(const ConnectionCallback& callback) = 0;
 
- private:
-  friend class BluetoothProfileMac;
-  friend class MockBluetoothProfile;
-
+ protected:
   BluetoothProfile();
   virtual ~BluetoothProfile();
 };
 
 }  // namespace device
 
 #endif  // DEVICE_BLUETOOTH_BLUETOOTH_PROFILE_H_