Bluetooth: macOS: Implement BluetoothRemoteGattCharacteristicMac::UnsubscribeFromNotifications

device/bluetooth/test/bluetooth_test_mac.h

Index: device/bluetooth/test/bluetooth_test_mac.h
diff --git a/device/bluetooth/test/bluetooth_test_mac.h b/device/bluetooth/test/bluetooth_test_mac.h
index 90a7e89cf3a57a76788e5642172f6ea6d813ce6b..337085600e5af90567bee0c1fcafb445e2419a9d 100644
--- a/device/bluetooth/test/bluetooth_test_mac.h
+++ b/device/bluetooth/test/bluetooth_test_mac.h
@@ -73,6 +73,11 @@ class BluetoothTestMac : public BluetoothTestBase {
   void SimulateGattNotifySessionStartError(
       BluetoothRemoteGattCharacteristic* characteristic,
       BluetoothRemoteGattService::GattErrorCode error_code) override;
+  void SimulateGattNotifySessionStopped(
+      BluetoothRemoteGattCharacteristic* characteristic) override;
+  void SimulateGattNotifySessionStopError(
+      BluetoothRemoteGattCharacteristic* characteristic,
+      BluetoothRemoteGattService::GattErrorCode error_code) override;
   void SimulateGattCharacteristicChanged(
       BluetoothRemoteGattCharacteristic* characteristic,
       const std::vector<uint8_t>& value) override;
@@ -88,7 +93,7 @@ class BluetoothTestMac : public BluetoothTestBase {
   void OnFakeBluetoothServiceDiscovery();
   void OnFakeBluetoothCharacteristicReadValue();
   void OnFakeBluetoothCharacteristicWriteValue(std::vector<uint8_t> value);
-  void OnFakeBluetoothGattSetCharacteristicNotification();
+  void OnFakeBluetoothGattSetCharacteristicNotification(bool notify_value);
 
   // Returns the service UUIDs used to retrieve connected peripherals.
   BluetoothDevice::UUIDSet RetrieveConnectedPeripheralServiceUUIDs();
@@ -113,6 +118,9 @@ class BluetoothTestMac : public BluetoothTestBase {
 
   BluetoothAdapterMac* adapter_mac_ = nullptr;
   std::unique_ptr<ScopedMockCentralManager> mock_central_manager_;
+
+  // Value set by -[CBPeripheral setNotifyValue:forCharacteristic:] call.
+  bool last_notify_value = false;
 };
 
 // Defines common test fixture name. Use TEST_F(BluetoothTest, YourTestName).