Trace where timers were scheduled in Blink

Source/core/loader/NavigationScheduler.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2009 Adam Barth. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
@@ skipping 371 matching lines @@
 {
     if (!m_redirect)
         return;
 
     ASSERT(m_frame->page());
     if (m_timer.isActive())
         return;
     if (!m_redirect->shouldStartTimer(m_frame))
         return;
 
-    m_timer.startOneShot(m_redirect->delay());
+    m_timer.startOneShot(m_redirect->delay(), FROM_HERE);
     InspectorInstrumentation::frameScheduledNavigation(m_frame, m_redirect->delay());
 }
 
 void NavigationScheduler::cancel()
 {
     if (m_timer.isActive())
         InspectorInstrumentation::frameClearedScheduledNavigation(m_frame);
     m_timer.stop();
     m_redirect.clear();
 }
 
 } // namespace WebCore