Fix the log error message about proxy authentication in...

net/proxy/proxy_config_service_linux.cc

 // Copyright (c) 2009 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_config_service_linux.h"
 
 #include <gconf/gconf-client.h>
 #include <stdlib.h>
 
 #include "base/logging.h"
@@ skipping 54 matching lines @@
     scheme = ProxyServer::SCHEME_SOCKS5;
   }
   // Strip the scheme if any.
   std::string::size_type colon = host.find("://");
   if (colon != std::string::npos)
     host = host.substr(colon + 3);
   // If a username and perhaps password are specified, give a warning.
   std::string::size_type at_sign = host.find("@");
   // Should this be supported?
   if (at_sign != std::string::npos) {
-    LOG(ERROR) << "Proxy authentication not supported";
-    // Disregard the authentication parameters and continue with this hostname.
+    // ProxyConfig does not support authentication parameters, but Chrome
+    // will prompt for the password later. Disregard the
+    // authentication parameters and continue with this hostname.
+    LOG(WARNING) << "Proxy authentication parameters ignored, see bug 16709";
     host = host.substr(at_sign + 1);
   }
   // If this is a socks proxy, prepend a scheme so as to tell
   // ProxyServer. This also allows ProxyServer to choose the right
   // default port.
   if (scheme == ProxyServer::SCHEME_SOCKS4)
     host = "socks4://" + host;
   else if (scheme == ProxyServer::SCHEME_SOCKS5)
     host = "socks5://" + host;
   return host;
@@ skipping 415 matching lines @@
 
   if (config->proxy_rules.empty()) {
     // Manual mode but we couldn't parse any rules.
     return false;
   }
 
   // Check for authentication, just so we can warn.
   bool use_auth;
   gconf_getter_->GetBoolean("/system/http_proxy/use_authentication",
                             &use_auth);
-  if (use_auth)
-    LOG(ERROR) << "Proxy authentication not supported";
+  if (use_auth) {
+    // ProxyConfig does not support authentication parameters, but
+    // Chrome will prompt for the password later. So we ignore
+    // /system/http_proxy/*auth* settings.
+    LOG(WARNING) << "Proxy authentication parameters ignored, see bug 16709";
+  }
 
   // Now the bypass list.
   gconf_getter_->GetStringList("/system/http_proxy/ignore_hosts",
                                &config->proxy_bypass);
   // Note that there are no settings with semantics corresponding to
   // config->proxy_bypass_local_names.
 
   return true;
 }
 
@@ skipping 147 matching lines @@
                              new GConfSettingGetterImpl())) {
 }
 
 ProxyConfigServiceLinux::ProxyConfigServiceLinux(
     EnvironmentVariableGetter* env_var_getter,
     GConfSettingGetter* gconf_getter)
     : delegate_(new Delegate(env_var_getter, gconf_getter)) {
 }
 
 }  // namespace net