Adding support for service scan on OS X

device/bluetooth/bluetooth_low_energy_peripheral_delegate.h

+// Copyright 2016 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_PERIPHERAL_DELEGATE_H_
+#define DEVICE_BLUETOOTH_BLUETOOTH_LOW_ENERGY_PERIPHERAL_DELEGATE_H_
+
+#include "base/mac/sdk_forward_declarations.h"
+#include "base/memory/ref_counted.h"
+#include "build/build_config.h"
+
+#if defined(OS_IOS)
+#import <CoreBluetooth/CoreBluetooth.h>
+#else
+#import <IOBluetooth/IOBluetooth.h>
+#endif
+
+namespace device {
+
+class BluetoothLowEnergyDeviceMac;
+class BluetoothLowEnergyPeripheralBridge;
+
+}  // namespace device
+
+// This class will serve as the Objective-C delegate of CBPeripheral.
+@interface BluetoothLowEnergyPeripheralDelegate
+    : NSObject<CBPeripheralDelegate> {
+  std::unique_ptr<device::BluetoothLowEnergyPeripheralBridge> bridge_;
+}
+
+- (id)initWithBluetoothLowEnergyDeviceMac:
+    (device::BluetoothLowEnergyDeviceMac*)device_mac;
+
+@end
+
+#endif  // DEVICE_BLUETOOTH_BLUETOOTH_LOW_ENERGY_PERIPHERAL_DELEGATE_H_