Trace where timers were scheduled in Blink

Source/core/dom/Document.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2008, 2009, 2011, 2012 Google Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) Research In Motion Limited 2010-2011. All rights reserved.
@@ skipping 1862 matching lines @@
 }
 
 void Document::setNeedsFocusedElementCheck()
 {
     setNeedsStyleRecalc(LocalStyleChange);
 }
 
 void Document::clearFocusedElementSoon()
 {
     if (!m_clearFocusedElementTimer.isActive())
-        m_clearFocusedElementTimer.startOneShot(0);
+        m_clearFocusedElementTimer.startOneShot(0, FROM_HERE);
 }
 
 void Document::clearFocusedElementTimerFired(Timer<Document>*)
 {
     updateStyleIfNeeded();
     m_clearFocusedElementTimer.stop();
 
     if (m_focusedElement && !m_focusedElement->isFocusable())
         setFocusedElement(nullptr);
 }
@@ skipping 2561 matching lines @@
 
         f->loader().finishedParsing();
 
         InspectorInstrumentation::domContentLoadedEventFired(f.get());
     }
 
     // Schedule dropping of the ElementDataCache. We keep it alive for a while after parsing finishes
     // so that dynamically inserted content can also benefit from sharing optimizations.
     // Note that we don't refresh the timer on cache access since that could lead to huge caches being kept
     // alive indefinitely by something innocuous like JS setting .innerHTML repeatedly on a timer.
-    m_elementDataCacheClearTimer.startOneShot(10);
+    m_elementDataCacheClearTimer.startOneShot(10, FROM_HERE);
 
     // Parser should have picked up all preloads by now
     m_fetcher->clearPreloads();
 
     if (m_import)
         m_import->didFinishParsing();
 }
 
 void Document::elementDataCacheClearTimerFired(Timer<Document>*)
 {
@@ skipping 211 matching lines @@
 
 bool Document::isContextThread() const
 {
     return isMainThread();
 }
 
 void Document::updateFocusAppearanceSoon(bool restorePreviousSelection)
 {
     m_updateFocusAppearanceRestoresSelection = restorePreviousSelection;
     if (!m_updateFocusAppearanceTimer.isActive())
-        m_updateFocusAppearanceTimer.startOneShot(0);
+        m_updateFocusAppearanceTimer.startOneShot(0, FROM_HERE);
 }
 
 void Document::cancelFocusAppearanceUpdate()
 {
     m_updateFocusAppearanceTimer.stop();
 }
 
 void Document::updateFocusAppearanceTimerFired(Timer<Document>*)
 {
     Element* element = focusedElement();
@@ skipping 214 matching lines @@
     }
     return 0;
 }
 
 void Document::decrementLoadEventDelayCount()
 {
     ASSERT(m_loadEventDelayCount);
     --m_loadEventDelayCount;
 
     if (frame() && !m_loadEventDelayCount && !m_loadEventDelayTimer.isActive())
-        m_loadEventDelayTimer.startOneShot(0);
+        m_loadEventDelayTimer.startOneShot(0, FROM_HERE);
 }
 
 void Document::loadEventDelayTimerFired(Timer<Document>*)
 {
     if (frame())
         frame()->loader().checkCompleted();
 }
 
 void Document::loadPluginsSoon()
 {
     // FIXME: Remove this timer once we don't need to compute layout to load plugins.
     if (!m_pluginLoadingTimer.isActive())
-        m_pluginLoadingTimer.startOneShot(0);
+        m_pluginLoadingTimer.startOneShot(0, FROM_HERE);
 }
 
 void Document::pluginLoadingTimerFired(Timer<Document>*)
 {
     updateLayout();
 }
 
 ScriptedAnimationController& Document::ensureScriptedAnimationController()
 {
     if (!m_scriptedAnimationController) {
@@ skipping 394 matching lines @@
 
     return *m_templateDocument.get();
 }
 
 void Document::didAssociateFormControl(Element* element)
 {
     if (!frame() || !frame()->page())
         return;
     m_associatedFormControls.add(element);
     if (!m_didAssociateFormControlsTimer.isActive())
-        m_didAssociateFormControlsTimer.startOneShot(0);
+        m_didAssociateFormControlsTimer.startOneShot(0, FROM_HERE);
 }
 
 void Document::didAssociateFormControlsTimerFired(Timer<Document>* timer)
 {
     ASSERT_UNUSED(timer, timer == &m_didAssociateFormControlsTimer);
     if (!frame() || !frame()->page())
         return;
 
     Vector<RefPtr<Element> > associatedFormControls;
     copyToVector(m_associatedFormControls, associatedFormControls);
@@ skipping 125 matching lines @@
 }
 
 void Document::invalidateNodeListCaches(const QualifiedName* attrName)
 {
     HashSet<LiveNodeListBase*>::iterator end = m_listsInvalidatedAtDocument.end();
     for (HashSet<LiveNodeListBase*>::iterator it = m_listsInvalidatedAtDocument.begin(); it != end; ++it)
         (*it)->invalidateCache(attrName);
 }
 
 } // namespace WebCore