Add abstract BluetoothProfile class

device/bluetooth/bluetooth_device_mac.mm

 // 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.
 
 #include "device/bluetooth/bluetooth_device_mac.h"
 
 #include <IOBluetooth/Bluetooth.h>
 #import <IOBluetooth/objc/IOBluetoothDevice.h>
 #import <IOBluetooth/objc/IOBluetoothSDPServiceRecord.h>
 
@@ skipping 157 matching lines @@
       scoped_refptr<BluetoothSocket> socket(
         BluetoothSocketMac::CreateBluetoothSocket(**iter));
       if (socket.get() != NULL) {
         callback.Run(socket);
         return;
       }
     }
   }
 }
 
+void BluetoothDeviceMac::ConnectToProfile(
+    device::BluetoothProfile* profile,
+    const ErrorCallback& error_callback) {
+  // TODO(keybuk): implement
+}
+
 void BluetoothDeviceMac::SetOutOfBandPairingData(
     const BluetoothOutOfBandPairingData& data,
     const base::Closure& callback,
     const ErrorCallback& error_callback) {
   NOTIMPLEMENTED();
 }
 
 void BluetoothDeviceMac::ClearOutOfBandPairingData(
     const base::Closure& callback,
     const ErrorCallback& error_callback) {
@@ skipping 15 matching lines @@
         &device_string,
         "|%s|%lu",
         base::SysNSStringToUTF8([record getServiceName]).c_str(),
         static_cast<unsigned long>([[record attributes] count]));
   }
 
   return base::Hash(device_string);
 }
 
 }  // namespace device