Implement BluetoothRemoteGattServiceWin and related unit tests

device/bluetooth/bluetooth_device_win.cc

 // Copyright (c) 2012 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_device_win.h"
 
 #include <string>
 
 #include "base/containers/scoped_ptr_hash_map.h"
 #include "base/logging.h"
@@ skipping 332 matching lines @@
         service_state) {
   // First, remove no longer exist GATT service.
   {
     std::vector<std::string> to_be_removed_services;
     for (const auto& gatt_service : gatt_services_) {
       if (!DoesGattServiceExist(service_state, gatt_service.second)) {
         to_be_removed_services.push_back(gatt_service.first);
       }
     }
     for (const auto& service : to_be_removed_services) {
-      gatt_services_.erase(service);
+      gatt_services_.take_and_erase(service);
     }
     // Update previously discovered services.
     for (auto gatt_service : gatt_services_) {
       static_cast<BluetoothRemoteGattServiceWin*>(gatt_service.second)
           ->Update();
     }
   }
 
   // Return if no new services have been added.
   if (gatt_services_.size() == service_state.size())
@@ skipping 11 matching lines @@
       gatt_services_.add(primary_service->GetIdentifier(),
                          scoped_ptr<BluetoothGattService>(primary_service));
       adapter_->NotifyGattServiceAdded(primary_service);
     }
   }
 
   adapter_->NotifyGattServicesDiscovered(this);
 }
 
 }  // namespace device