Adding BluetoothTestBase::CheckNotifySessionValue() method

device/bluetooth/test/bluetooth_test.h

 // Copyright 2015 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_TEST_BLUETOOTH_TEST_H_
 #define DEVICE_BLUETOOTH_TEST_BLUETOOTH_TEST_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 383 matching lines @@
   // Simulates a Descriptor Write operation failing with a GattErrorCode.
   virtual void SimulateGattDescriptorWriteError(
       BluetoothRemoteGattDescriptor* descriptor,
       BluetoothRemoteGattService::GattErrorCode) {}
 
   // Simulates a Descriptor Write operation failing synchronously once for
   // an unknown reason.
   virtual void SimulateGattDescriptorWriteWillFailSynchronouslyOnce(
       BluetoothRemoteGattDescriptor* descriptor) {}
 
+  // Tests if the notify session has been changed. The default implementation
+  // uses descriptors.
+  virtual void CheckNotifySessionValue(
+      uint16_t expected_config_descriptor_value,
+      int attempts);
+
   // Returns a list of local GATT services registered with the adapter.
   virtual std::vector<BluetoothLocalGattService*> RegisteredGattServices();
 
   // Removes the device from the adapter and deletes it.
   virtual void DeleteDevice(BluetoothDevice* device);
 
   // Callbacks that increment |callback_count_|, |error_callback_count_|:
   void Callback(Call expected);
   void DiscoverySessionCallback(Call expected,
                                 std::unique_ptr<BluetoothDiscoverySession>);
@@ skipping 88 matching lines @@
   int actual_error_callback_calls_ = 0;
   bool unexpected_success_callback_ = false;
   bool unexpected_error_callback_ = false;
 
   base::WeakPtrFactory<BluetoothTestBase> weak_factory_;
 };
 
 }  // namespace device
 
 #endif  // DEVICE_BLUETOOTH_TEST_BLUETOOTH_TEST_H_