Add support in Chrome to send notifications to a specific device.

device/bluetooth/dbus/bluetooth_gatt_application_service_provider.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_DBUS_BLUETOOTH_GATT_APPLICATION_SERVICE_PROVIDER_H_
 #define DEVICE_BLUETOOTH_DBUS_BLUETOOTH_GATT_APPLICATION_SERVICE_PROVIDER_H_
 
 #include <map>
 #include <vector>
 
@@ skipping 29 matching lines @@
   // is the 128-bit GATT service UUID, and |includes| are a list of object paths
   // belonging to other exported GATT services that are included by the GATT
   // service being created. Make sure that all included services have been
   // exported before registering a GATT services with the GATT manager.
   static std::unique_ptr<BluetoothGattApplicationServiceProvider> Create(
       dbus::Bus* bus,
       const dbus::ObjectPath& object_path,
       const std::map<dbus::ObjectPath, BluetoothLocalGattServiceBlueZ*>&
           services);
 
-  void SendValueChanged(const dbus::ObjectPath& characteristic_path,
-                        const std::vector<uint8_t>& value);
+  void SendValueChanged(const dbus::ObjectPath& device_path,
+                        const dbus::ObjectPath& characteristic_path,
+                        const std::vector<uint8_t>& value,
+                        bool indicate);
 
  protected:
   BluetoothGattApplicationServiceProvider();
 
   // List of GATT Service service providers managed by this object manager.
   std::vector<std::unique_ptr<BluetoothGattServiceServiceProvider>>
       service_providers_;
   // List of GATT Characteristic service providers managed by this object
   // manager.
   std::vector<std::unique_ptr<BluetoothGattCharacteristicServiceProvider>>
       characteristic_providers_;
   // List of GATT Descriptor service providers managed by this object manager.
   std::vector<std::unique_ptr<BluetoothGattDescriptorServiceProvider>>
       descriptor_providers_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(BluetoothGattApplicationServiceProvider);
 };
 
 }  // namespace bluez
 
 #endif  // DEVICE_BLUETOOTH_DBUS_BLUETOOTH_GATT_APPLICATION_SERVICE_PROVIDER_H_