Implement BluetoothLowEnergyWrapperFake for Bluetooth test fixture

device/bluetooth/bluetooth_task_manager_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_task_manager_win.h"
 
 #include <stddef.h>
 #include <winsock2.h>
 
 #include <string>
@@ skipping 425 matching lines @@
   device_search_params.fIssueInquiry = (search_cached_devices_only ? 0 : 1);
   device_search_params.cTimeoutMultiplier = timeout_multiplier;
 
   BLUETOOTH_DEVICE_INFO device_info;
   ZeroMemory(&device_info, sizeof(device_info));
   device_info.dwSize = sizeof(BLUETOOTH_DEVICE_INFO);
   HBLUETOOTH_DEVICE_FIND handle =
       win::BluetoothClassicWrapper::GetInstance()->FindFirstDevice(
           &device_search_params, &device_info);
   if (!handle) {
-    int last_error = GetLastError();
+    int last_error = win::BluetoothClassicWrapper::GetInstance()->LastError();

[scheib, 2016/02/07 02:24:08]

BTW, looking at how often ::GetInstance is being called, consider renameing with
::Get() in a future refactor patch.

[gogerald1, 2016/02/08 19:23:51]

Acknowledged.

     if (last_error == ERROR_NO_MORE_ITEMS) {
       return true;  // No devices is not an error.
     }
     LogPollingError("Error calling BluetoothFindFirstDevice", last_error);
     return false;
   }
 
   while (true) {
     DeviceState* device_state = new DeviceState();
     GetDeviceState(device_info, device_state);
     device_list->push_back(device_state);
 
     // Reset device info before next call (as a safety precaution).
     ZeroMemory(&device_info, sizeof(device_info));
     device_info.dwSize = sizeof(BLUETOOTH_DEVICE_INFO);
     if (!win::BluetoothClassicWrapper::GetInstance()->FindNextDevice(
             handle, &device_info)) {
-      int last_error = GetLastError();
+      int last_error = win::BluetoothClassicWrapper::GetInstance()->LastError();
       if (last_error == ERROR_NO_MORE_ITEMS) {
         break;  // No more items is expected error when done enumerating.
       }
       LogPollingError("Error calling BluetoothFindNextDevice", last_error);
       win::BluetoothClassicWrapper::GetInstance()->FindDeviceClose(handle);
       return false;
     }
   }
 
   if (!win::BluetoothClassicWrapper::GetInstance()->FindDeviceClose(handle)) {
-    LogPollingError("Error calling BluetoothFindDeviceClose", GetLastError());
+    LogPollingError("Error calling BluetoothFindDeviceClose",
+                    win::BluetoothClassicWrapper::GetInstance()->LastError());
     return false;
   }
   return true;
 }
 
 bool BluetoothTaskManagerWin::SearchLowEnergyDevices(
     ScopedVector<DeviceState>* device_list) {
   if (!win::IsBluetoothLowEnergySupported())
     return true;  // Bluetooth LE not supported is not an error.
 
@@ skipping 231 matching lines @@
           break;
         }
       }
     }
   }
 
   return true;
 }
 
 }  // namespace device