Implement BluetoothRemoteGattCharacteristicWin::StartNotifySession and related unit tests

device/bluetooth/bluetooth_remote_gatt_service_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/bluetooth_remote_gatt_service_win.h"
 
 #include "base/bind.h"
 #include "device/bluetooth/bluetooth_adapter_win.h"
 #include "device/bluetooth/bluetooth_device_win.h"
 #include "device/bluetooth/bluetooth_remote_gatt_characteristic_win.h"
@@ skipping 32 matching lines @@
   task_manager_ = adapter_->GetWinBluetoothTaskManager();
   DCHECK(task_manager_);
   service_identifier_ = device_->GetIdentifier() + "/" + service_uuid_.value() +
                         "_" + std::to_string(service_attribute_handle_);
   Update();
 }
 
 BluetoothRemoteGattServiceWin::~BluetoothRemoteGattServiceWin() {
   DCHECK(ui_task_runner_->RunsTasksOnCurrentThread());
 
+  ClearIncludedCharacteristics();
+
   adapter_->NotifyGattServiceRemoved(this);
 }
 
 std::string BluetoothRemoteGattServiceWin::GetIdentifier() const {
   return service_identifier_;
 }
 
 BluetoothUUID BluetoothRemoteGattServiceWin::GetUUID() const {
   return const_cast<BluetoothUUID&>(service_uuid_);
 }
@@ skipping 175 matching lines @@
             characteristics[i].AttributeHandle) {
       return true;
     }
   }
   return false;
 }
 
 void BluetoothRemoteGattServiceWin::RemoveIncludedCharacteristic(
     std::string identifier) {
   discovery_completed_included_charateristics_.erase(identifier);
+  included_characteristics_[identifier].reset();
   included_characteristics_.erase(identifier);
 }
 
 void BluetoothRemoteGattServiceWin::ClearIncludedCharacteristics() {
   discovery_completed_included_charateristics_.clear();
   // Explicitly reset to null to ensure that calling GetCharacteristic() on the
   // removed characteristic in GattDescriptorRemoved() returns null.
   for (auto& entry : included_characteristics_)
     entry.second.reset();
   included_characteristics_.clear();
 }
 
 }  // namespace device.