[Async][WIP] Call FrameLoader::checkCompleted() asynchronously to avoid sync body.onload()

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.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) Research In Motion Limited 2010-2011. All rights reserved.
@@ skipping 2616 matching lines @@
         parser->finish();
 
     if (!m_frame) {
         // Because we have no frame, we don't know if all loading has completed,
         // so we just call implicitClose() immediately. FIXME: This might fire
         // the load event prematurely <http://bugs.webkit.org/show_bug.cgi?id=14568>.
         implicitClose();
         return;
     }
 
-    m_frame->loader().checkCompleted();
+    m_frame->loader().checkCompleted(7);
 }
 
 void Document::implicitClose()
 {
     ASSERT(!inStyleRecalc());
     if (processingLoadEvent() || !m_parser)
         return;
     if (frame() && frame()->navigationScheduler().locationChangePending()) {
         suppressLoadEvent();
         return;
@@ skipping 2652 matching lines @@
         return true;
     }
 #endif
     return m_loadEventDelayCount;
 }
 
 
 void Document::loadEventDelayTimerFired(Timer<Document>*)
 {
     if (frame())
-        frame()->loader().checkCompleted();
+        frame()->loader().checkCompleted(8);
 }
 
 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, BLINK_FROM_HERE);
 }
 
 void Document::pluginLoadingTimerFired(Timer<Document>*)
@@ skipping 630 matching lines @@
 #ifndef NDEBUG
 using namespace blink;
 void showLiveDocumentInstances()
 {
     Document::WeakDocumentSet& set = Document::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().string().utf8().data());
 }
 #endif