Add BluetoothGattCharacteristicTest::StartNotifySession_Reentrant unit test

device/bluetooth/test/bluetooth_test_win.cc

 // 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.
 
 #include "device/bluetooth/test/bluetooth_test_win.h"
 
 #include "base/bind.h"
 #include "base/location.h"
 #include "base/run_loop.h"
 #include "base/strings/sys_string_conversions.h"
@@ skipping 351 matching lines @@
       characteristic->GetService()->GetDevice()->GetAddress(),
       target_characteristic, CanonicalStringToBTH_LE_UUID(uuid));
   ForceRefreshDevice();
 }
 
 void BluetoothTestWin::SimulateGattNotifySessionStarted(
     BluetoothGattCharacteristic* characteristic) {
   FinishPendingTasks();
 }
 
+void BluetoothTestWin::
+    SimulateGattCharacteristicSetNotifyWillFailAsynchronouslyOnce(
+        BluetoothGattCharacteristic* characteristic) {
+  win::GattCharacteristic* simulated_characteristic =
+      GetSimulatedCharacteristic(characteristic);
+  CHECK(simulated_characteristic);
+  fake_bt_le_wrapper_->SimulateGattCharacteristicSetNotifyError(
+      simulated_characteristic, E_BLUETOOTH_ATT_UNKNOWN_ERROR);
+}
+
 void BluetoothTestWin::SimulateGattCharacteristicChanged(
     BluetoothGattCharacteristic* characteristic,
     const std::vector<uint8_t>& value) {
   BluetoothGattCharacteristic* target_characteristic = characteristic;
   if (target_characteristic == nullptr)
     target_characteristic = remembered_characteristic_;
   CHECK(target_characteristic);
 
   win::GattCharacteristic* simulated_characteristic =
       GetSimulatedCharacteristic(target_characteristic);
@@ skipping 89 matching lines @@
 void BluetoothTestWin::ForceRefreshDevice() {
   adapter_win_->force_update_device_for_test_ = true;
   FinishPendingTasks();
 }
 
 void BluetoothTestWin::FinishPendingTasks() {
   bluetooth_task_runner_->RunPendingTasks();
   base::RunLoop().RunUntilIdle();
 }
 }