Implement //device/bt changes for notifications.

device/bluetooth/bluetooth_local_gatt_service.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_LOCAL_GATT_SERVICE_H_
 #define DEVICE_BLUETOOTH_BLUETOOTH_LOCAL_GATT_SERVICE_H_
 
 #include <stdint.h>
 #include <vector>
 
@@ skipping 106 matching lines @@
     // |error_callback|. If neither callback parameter is invoked, the request
     // will time out and result in an error. Therefore, delegates MUST invoke
     // either |callback| or |error_callback|.
     virtual void OnDescriptorWriteRequest(
         const BluetoothLocalGattService* service,
         const BluetoothLocalGattDescriptor* descriptor,
         const std::vector<uint8_t>& value,
         int offset,
         const base::Closure& callback,
         const ErrorCallback& error_callback) = 0;
+
+    // Called when a remote device requests notifications to start for
+    // |characteristic|. This is only called if the characteristic has
+    // specified the notify or indicate property.
+    virtual void OnNotificationsStart(
+        const BluetoothLocalGattService* service,
+        const BluetoothLocalGattCharacteristic* characteristic) = 0;
+
+    // Called when a remote device requests notifications to stop for
+    // |characteristic|. This is only called if the characteristic has
+    // specified the notify or indicate property.
+    virtual void OnNotificationsStop(
+        const BluetoothLocalGattService* service,
+        const BluetoothLocalGattCharacteristic* characteristic) = 0;
   };
 
   // Creates a local GATT service to be used with |adapter| (which will own
   // the created service object).  A service can register or unregister itself
   // at any time by calling its Register/Unregister methods. |delegate|
   // receives read/write requests for characteristic/descriptor values. It
   // needs to outlive this object.
   // TODO(rkc): Implement included services.
   static base::WeakPtr<BluetoothLocalGattService> Create(
       BluetoothAdapter* adapter,
@@ skipping 27 matching lines @@
   BluetoothLocalGattService();
   ~BluetoothLocalGattService() override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(BluetoothLocalGattService);
 };
 
 }  // namespace device
 
 #endif  // DEVICE_BLUETOOTH_BLUETOOTH_LOCAL_GATT_SERVICE_H_