| Index: components/storage_monitor/portable_device_watcher_win.cc | 
| diff --git a/components/storage_monitor/portable_device_watcher_win.cc b/components/storage_monitor/portable_device_watcher_win.cc | 
| index 003553eb63d1897c7b3b7883e3d194acf7ec33a5..3d79ece322b1ada7bed65357fd3cb04c7df6b441 100644 | 
| --- a/components/storage_monitor/portable_device_watcher_win.cc | 
| +++ b/components/storage_monitor/portable_device_watcher_win.cc | 
| @@ -59,7 +59,7 @@ base::string16 GetPnpDeviceId(LPARAM data) { | 
| if (!dev_interface) | 
| return base::string16(); | 
| base::string16 device_id(dev_interface->dbcc_name); | 
| -  DCHECK(IsStringASCII(device_id)); | 
| +  DCHECK(base::IsStringASCII(device_id)); | 
| return StringToLowerASCII(device_id); | 
| } | 
|  | 
|  |