Implement BluetoothGattNotifySession::Stop on Android, 2nd attempt

device/bluetooth/bluetooth_remote_gatt_characteristic_win.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_REMOTE_GATT_CHARACTERISTIC_WIN_H_
 #define DEVICE_BLUETOOTH_BLUETOOTH_REMOTE_GATT_CHARACTERISTIC_WIN_H_
 
 #include <memory>
 #include <unordered_map>
 
@@ skipping 28 matching lines @@
   std::vector<uint8_t>& GetValue() const override;
   BluetoothRemoteGattService* GetService() const override;
   Properties GetProperties() const override;
   Permissions GetPermissions() const override;
   bool IsNotifying() const override;
   std::vector<BluetoothRemoteGattDescriptor*> GetDescriptors() const override;
   BluetoothRemoteGattDescriptor* GetDescriptor(
       const std::string& identifier) const override;
   void StartNotifySession(const NotifySessionCallback& callback,
                           const ErrorCallback& error_callback) override;
+  void StopNotifySession(BluetoothGattNotifySession* session,
+                         const base::Closure& callback) override;
   void ReadRemoteCharacteristic(const ValueCallback& callback,
                                 const ErrorCallback& error_callback) override;
   void WriteRemoteCharacteristic(const std::vector<uint8_t>& new_value,
                                  const base::Closure& callback,
                                  const ErrorCallback& error_callback) override;
 
   // Update included descriptors.
   void Update();
   uint16_t GetAttributeHandle() const;
   BluetoothRemoteGattServiceWin* GetWinService() { return parent_service_; }
 
+ protected:
+  void SubscribeToNotifications(BluetoothRemoteGattDescriptor* ccc_descriptor,
+                                const base::Closure& callback,
+                                const ErrorCallback& error_callback) override;
+  void UnsubscribeFromNotifications(
+      BluetoothRemoteGattDescriptor* ccc_descriptor,
+      const base::Closure& callback,
+      const ErrorCallback& error_callback) override;
+
  private:
   void OnGetIncludedDescriptorsCallback(
       std::unique_ptr<BTH_LE_GATT_DESCRIPTOR> descriptors,
       uint16_t num,
       HRESULT hr);
   void UpdateIncludedDescriptors(PBTH_LE_GATT_DESCRIPTOR descriptors,
                                  uint16_t num);
 
   // Checks if the descriptor with |uuid| and |attribute_handle| has already
   // been discovered as included descriptor.
@@ skipping 54 matching lines @@
   // GATT event handle returned by GattEventRegistrationCallback.
   PVOID gatt_event_handle_;
 
   base::WeakPtrFactory<BluetoothRemoteGattCharacteristicWin> weak_ptr_factory_;
   DISALLOW_COPY_AND_ASSIGN(BluetoothRemoteGattCharacteristicWin);
 };
 
 }  // namespace device
 
 #endif  // DEVICE_BLUETOOTH_BLUETOOTH_REMOTE_GATT_CHARACTERISTIC_WIN_H_