Call media query change listeners asynchronously.

Source/core/dom/ScriptedAnimationController.h

 /*
  * Copyright (C) 2011 Google Inc. All Rights Reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 20 matching lines @@
 #include "wtf/RefCounted.h"
 #include "wtf/RefPtr.h"
 #include "wtf/Vector.h"
 #include "wtf/text/StringImpl.h"
 
 namespace WebCore {
 
 class Document;
 class Event;
 class EventTarget;
+class MediaQueryListListener;
 class RequestAnimationFrameCallback;
 
 class ScriptedAnimationController : public RefCountedWillBeGarbageCollectedFinalized<ScriptedAnimationController> {
 public:
     static PassRefPtrWillBeRawPtr<ScriptedAnimationController> create(Document* document)
     {
         return adoptRefWillBeNoop(new ScriptedAnimationController(document));
     }
     ~ScriptedAnimationController();
     void trace(Visitor*);
     void clearDocumentPointer() { m_document = nullptr; }
 
     typedef int CallbackId;
 
     int registerCallback(PassOwnPtr<RequestAnimationFrameCallback>);
     void cancelCallback(CallbackId);
     void serviceScriptedAnimations(double monotonicTimeNow);
 
     void enqueueEvent(PassRefPtrWillBeRawPtr<Event>);
     void enqueuePerFrameEvent(PassRefPtrWillBeRawPtr<Event>);
+    void enqueueMediaQueryChangeListeners(WillBeHeapVector<RefPtrWillBeMember<MediaQueryListListener> >&);
 
     void suspend();
     void resume();
 
 private:
     explicit ScriptedAnimationController(Document*);
 
     void scheduleAnimationIfNeeded();
 
     void dispatchEvents();
     void executeCallbacks(double monotonicTimeNow);
+    void callMediaQueryListListeners();
 
     typedef Vector<OwnPtr<RequestAnimationFrameCallback> > CallbackList;
     CallbackList m_callbacks;
     CallbackList m_callbacksToInvoke; // only non-empty while inside executeCallbacks
 
     RawPtrWillBeMember<Document> m_document;
     CallbackId m_nextCallbackId;
     int m_suspendCount;
     WillBeHeapVector<RefPtrWillBeMember<Event> > m_eventQueue;
     WillBeHeapListHashSet<std::pair<RawPtrWillBeMember<const EventTarget>, const StringImpl*> > m_perFrameEvents;
+    typedef WillBeHeapListHashSet<RefPtrWillBeMember<MediaQueryListListener> > MediaQueryListListeners;
+    MediaQueryListListeners m_mediaQueryListListeners;
 };
 
 }
 
 #endif // ScriptedAnimationController_h