Adding the last test related with connect/disconnect

device/bluetooth/bluetooth_low_energy_device_mac.h

 // Copyright 2015 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_LOW_ENERGY_DEVICE_MAC_H_
 #define DEVICE_BLUETOOTH_BLUETOOTH_LOW_ENERGY_DEVICE_MAC_H_
 
 #if defined(OS_IOS)
 #import <CoreBluetooth/CoreBluetooth.h>
 #else  // !defined(OS_IOS)
@@ skipping 95 matching lines @@
   friend class BluetoothAdapterMacTest;
   friend class BluetoothTestMac;
 
   // Returns the Bluetooth adapter.
   BluetoothAdapterMac* GetMacAdapter();
 
   // Returns the CoreBluetooth Peripheral.
   CBPeripheral* GetPeripheral();
 
   // Callback used when the CoreBluetooth Peripheral is disconnected.
-  void DidDisconnectPeripheral();
+  void DidDisconnectPeripheral(BluetoothDevice::ConnectErrorCode error_code);
 
   // Called by the adapter when CoreBluetooth calls CBCentralManager's delegate.
   void GattConnected();
 
   // Equivalent to [peripheral_ state].  Allows compilation on OS X 10.6.
   CBPeripheralState GetPeripheralState() const;
 
   // CoreBluetooth data structure.
   base::scoped_nsobject<CBPeripheral> peripheral_;
 
@@ skipping 15 matching lines @@
 
   // The services (identified by UUIDs) that this device provides.
   std::set<BluetoothUUID> advertised_uuids_;
 
   DISALLOW_COPY_AND_ASSIGN(BluetoothLowEnergyDeviceMac);
 };
 
 }  // namespace device
 
 #endif  // DEVICE_BLUETOOTH_BLUETOOTH_LOW_ENERGY_DEVICE_MAC_H_