Trace where timers were scheduled in Blink

Source/core/inspector/InspectorOverlay.cpp

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 365 matching lines @@
     m_quadHighlightConfig = highlightConfig;
     m_highlightQuad = quad;
     update();
 }
 
 void InspectorOverlay::showAndHideViewSize(bool showGrid)
 {
     m_drawViewSize = true;
     m_drawViewSizeWithGrid = showGrid;
     update();
-    m_timer.startOneShot(1);
+    m_timer.startOneShot(1, FROM_HERE);
 }
 
 Node* InspectorOverlay::highlightedNode() const
 {
     return m_highlightNode.get();
 }
 
 bool InspectorOverlay::isEmpty()
 {
     if (m_activeProfilerCount)
@@ skipping 286 matching lines @@
     m_timer.stop();
 }
 
 void InspectorOverlay::startedRecordingProfile()
 {
     if (!m_activeProfilerCount++)
         freePage();
 }
 
 } // namespace WebCore