Revert of Implement BluetoothGattNotifySession::Stop on Android

device/bluetooth/bluetooth_remote_gatt_characteristic_win.h

Index: device/bluetooth/bluetooth_remote_gatt_characteristic_win.h
diff --git a/device/bluetooth/bluetooth_remote_gatt_characteristic_win.h b/device/bluetooth/bluetooth_remote_gatt_characteristic_win.h
index d94b04584fb14da6965587a216b3b9a183de0ee0..549ea205e827b5cbfc0bba39740eeb13953e9211 100644
--- a/device/bluetooth/bluetooth_remote_gatt_characteristic_win.h
+++ b/device/bluetooth/bluetooth_remote_gatt_characteristic_win.h
@@ -46,8 +46,6 @@
       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,
@@ -58,15 +56,6 @@
   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(