Suspend frame schedulers on a page suspension

third_party/WebKit/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.
@@ skipping 5747 matching lines @@
   if (m_parser)
     m_parser->resumeScheduledTasks();
   if (m_scriptedAnimationController)
     m_scriptedAnimationController->resume();
 
   MutationObserver::resumeSuspendedObservers();
   if (m_domWindow)
     DOMWindowPerformance::performance(*m_domWindow)->resumeSuspendedObservers();
 }
 
-// FIXME: suspendScheduledTasks(), resumeScheduledTasks(), tasksNeedSuspension()
-// should be moved to LocalDOMWindow once it inherits ExecutionContext
-void Document::suspendScheduledTasks() {
-  ExecutionContext::suspendScheduledTasks();
-  m_taskRunner->suspend();
-}
-
-void Document::resumeScheduledTasks() {
-  ExecutionContext::resumeScheduledTasks();
-  m_taskRunner->resume();
-}
-
 bool Document::tasksNeedSuspension() {
   Page* page = this->page();
   return page && page->suspended();
 }
 
 void Document::addToTopLayer(Element* element, const Element* before) {
   if (element->isInTopLayer())
     return;
 
   DCHECK(!m_topLayerElements.contains(element));
@@ skipping 766 matching lines @@
 }
 
 void showLiveDocumentInstances() {
   WeakDocumentSet& set = liveDocumentSet();
   fprintf(stderr, "There are %u documents currently alive:\n", set.size());
   for (Document* document : set)
     fprintf(stderr, "- Document %p URL: %s\n", document,
             document->url().getString().utf8().data());
 }
 #endif