Move ExecutionContext's task suspension from FrameLoader to Page

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 5697 matching lines @@
   m_taskRunner->postInspectorTask(location, std::move(task));
 }
 
 void Document::tasksWereSuspended() {
   scriptRunner()->suspend();
 
   if (m_parser)
     m_parser->suspendScheduledTasks();
   if (m_scriptedAnimationController)
     m_scriptedAnimationController->suspend();
+  fetcher()->setDefersLoading(true);
 }
 
 void Document::tasksWereResumed() {
   scriptRunner()->resume();
 
   if (m_parser)
     m_parser->resumeScheduledTasks();
   if (m_scriptedAnimationController)
     m_scriptedAnimationController->resume();
+  fetcher()->setDefersLoading(false);
 
   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();
@@ skipping 805 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