Introduce animation frame tasks

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 4251 matching lines @@
     return 0;
   return domWindow->getAttributeEventListener(eventType);
 }
 
 EventQueue* Document::getEventQueue() const {
   if (!m_domWindow)
     return 0;
   return m_domWindow->getEventQueue();
 }
 
+void Document::enqueueAnimationFrameTask(std::unique_ptr<WTF::Closure> task) {
+  ensureScriptedAnimationController().enqueueTask(std::move(task));
+}
+
 void Document::enqueueAnimationFrameEvent(Event* event) {
   ensureScriptedAnimationController().enqueueEvent(event);
 }
 
 void Document::enqueueUniqueAnimationFrameEvent(Event* event) {
   ensureScriptedAnimationController().enqueuePerFrameEvent(event);
 }
 
 void Document::enqueueScrollEventForNode(Node* target) {
   // Per the W3C CSSOM View Module only scroll events fired at the document
@@ skipping 2260 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