Adding support for service scan on OS X

device/bluetooth/bluetooth_adapter_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_adapter_mac.h"
 
 #import <IOBluetooth/objc/IOBluetoothDevice.h>
 #import <IOBluetooth/objc/IOBluetoothHostController.h>
 #include <stddef.h>
 
@@ skipping 570 matching lines @@
 }
 
 void BluetoothAdapterMac::DidConnectPeripheral(CBPeripheral* peripheral) {
   BluetoothLowEnergyDeviceMac* device_mac =
       GetBluetoothLowEnergyDeviceMac(peripheral);
   if (!device_mac) {
     [low_energy_central_manager_ cancelPeripheralConnection:peripheral];
     return;
   }
   device_mac->DidConnectGatt();
+  [device_mac->GetPeripheral() discoverServices:nil];
 }
 
 void BluetoothAdapterMac::DidFailToConnectPeripheral(CBPeripheral* peripheral,
                                                      NSError* error) {
   BluetoothLowEnergyDeviceMac* device_mac =
       GetBluetoothLowEnergyDeviceMac(peripheral);
   if (!device_mac) {
     [low_energy_central_manager_ cancelPeripheralConnection:peripheral];
     return;
   }
@@ skipping 27 matching lines @@
   std::string device_address =
       BluetoothLowEnergyDeviceMac::GetPeripheralHashAddress(peripheral);
   DevicesMap::const_iterator iter = devices_.find(device_address);
   if (iter == devices_.end()) {
     return nil;
   }
   return static_cast<BluetoothLowEnergyDeviceMac*>(iter->second);
 }
 
 }  // namespace device