| Index: net/base/net_errors_win.cc | 
| diff --git a/net/base/net_errors_win.cc b/net/base/net_errors_win.cc | 
| index fcede60288a32d16f619defd9625049898bf40e0..74ed228ca0dd666e783fbde4eef43b1b322ef77e 100644 | 
| --- a/net/base/net_errors_win.cc | 
| +++ b/net/base/net_errors_win.cc | 
| @@ -12,6 +12,9 @@ namespace net { | 
|  | 
| // Map winsock and system errors to Chromium errors. | 
| Error MapSystemError(int os_error) { | 
| +  if (os_error != 0) | 
| +    DVLOG(2) << "Error " << os_error; | 
| + | 
| // There are numerous Winsock error codes, but these are the ones we thus far | 
| // find interesting. | 
| switch (os_error) { | 
|  |