Removing "WinHttpGetProxyForUrl failed" message.

net/proxy/proxy_resolver_winhttp.cc

 // Copyright (c) 2011 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 "net/proxy/proxy_resolver_winhttp.h"
 
 #include <windows.h>
 #include <winhttp.h>
 
 #include "base/metrics/histogram.h"
@@ skipping 58 matching lines @@
       session_handle_, ASCIIToWide(query_url.spec()).c_str(), &options, &info);
   if (!ok) {
     if (ERROR_WINHTTP_LOGIN_FAILURE == GetLastError()) {
       options.fAutoLogonIfChallenged = TRUE;
       ok = WinHttpGetProxyForUrl(
           session_handle_, ASCIIToWide(query_url.spec()).c_str(),
           &options, &info);
     }
     if (!ok) {
       DWORD error = GetLastError();
-      LOG(ERROR) << "WinHttpGetProxyForUrl failed: " << error;
       // If we got here because of RPC timeout during out of process PAC
       // resolution, no further requests on this session are going to work.
       if (ERROR_WINHTTP_TIMEOUT == error ||
           ERROR_WINHTTP_AUTO_PROXY_SERVICE_ERROR == error) {
         CloseWinHttpSession();
       }
       return ERR_FAILED;  // TODO(darin): Bug 1189288: translate error code.
     }
   }
 
@@ skipping 80 matching lines @@
 }
 
 void ProxyResolverWinHttp::CloseWinHttpSession() {
   if (session_handle_) {
     WinHttpCloseHandle(session_handle_);
     session_handle_ = NULL;
   }
 }
 
 }  // namespace net