Update base/timer.h code to pass through Location from call sites.

chrome/browser/chromeos/login/network_screen.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 "chrome/browser/chromeos/login/network_screen.h"
 
 #include "base/logging.h"
 #include "base/string16.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/chromeos/cros/cros_library.h"
@@ skipping 152 matching lines @@
   connection_timer_.Stop();
 
   network_id_ = network_id;
   actor_->ShowConnectingStatus(false, network_id_);
   actor_->EnableContinue(is_connected);
 }
 
 void NetworkScreen::WaitForConnection(const string16& network_id) {
   if (network_id_ != network_id || !connection_timer_.IsRunning()) {
     connection_timer_.Stop();
-    connection_timer_.Start(base::TimeDelta::FromSeconds(kConnectionTimeoutSec),
+    connection_timer_.Start(FROM_HERE,
+                            base::TimeDelta::FromSeconds(kConnectionTimeoutSec),
                             this,
                             &NetworkScreen::OnConnectionTimeout);
   }
 
   network_id_ = network_id;
   actor_->ShowConnectingStatus(continue_pressed_, network_id_);
 
   actor_->EnableContinue(false);
 }
 
 }  // namespace chromeos