Convert FullscreenController to use WebCallbacks

third_party/WebKit/Source/core/dom/Fullscreen.h

 /*
  * 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, 2010, 2012 Apple Inc. All
  * rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved.
  * (http://www.torchmobile.com/)
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
@@ skipping 116 matching lines @@
 
   explicit Fullscreen(Document&);
 
   Document* document();
 
   void clearFullscreenElementStack();
   void popFullscreenElementStack();
   void pushFullscreenElementStack(Element&, RequestType);
 
   void enqueueChangeEvent(Document&, RequestType);
-  void enqueueErrorEvent(Element&, RequestType);
+  void enqueueErrorEvent(Element*, RequestType);
   void eventQueueTimerFired(TimerBase*);
 
   HeapVector<std::pair<Member<Element>, RequestType>> m_fullscreenElementStack;
   Member<Element> m_currentFullScreenElement;
   LayoutFullScreen* m_fullScreenLayoutObject;
   Timer<Fullscreen> m_eventQueueTimer;
   HeapDeque<Member<Event>> m_eventQueue;
   LayoutRect m_savedPlaceholderFrameRect;
   RefPtr<ComputedStyle> m_savedPlaceholderComputedStyle;
 
@@ skipping 17 matching lines @@
 
 inline bool Fullscreen::isCurrentFullScreenElement(const Element& element) {
   if (Fullscreen* found = fromIfExists(element.document()))
     return found->currentFullScreenElement() == &element;
   return false;
 }
 
 }  // namespace blink
 
 #endif  // Fullscreen_h