Log the network error for failed DMServer requests.

BUG=None
TEST=None


Review URL: https://chromiumcodereview.appspot.com/10827069

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@148745 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/policy/device_management_service.cc

@@ -314,6 +314,8 @@ void DeviceManagementRequestJobImpl::HandleResponse(
     const net::ResponseCookies& cookies,
     const std::string& data) {
   if (status.status() != net::URLRequestStatus::SUCCESS) {
+    LOG(WARNING) << "DMServer request failed, status: " << status.status()
+                 << ", error: " << status.error();
     ReportError(DM_STATUS_REQUEST_FAILED);
     return;
   }