Revert of Reland r165710 "Replace RenderFullScreen with top layer"

Source/core/dom/FullscreenElementStack.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)
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
@@ skipping 24 matching lines @@
 #include "platform/geometry/LayoutRect.h"
 #include "wtf/Deque.h"
 #include "wtf/RefPtr.h"
 #include "wtf/Vector.h"
 
 namespace WebCore {
 
 class Document;
 class Element;
 class Node;
+class RenderFullScreen;
 class RenderStyle;
 class ExecutionContext;
 
 class FullscreenElementStack FINAL
     : public DocumentSupplement
     , public DocumentLifecycleObserver {
 public:
     virtual ~FullscreenElementStack();
     static const char* supplementName();
     static FullscreenElementStack* from(Document*);
     static FullscreenElementStack* fromIfExists(Document*);
     static Element* fullscreenElementFrom(Document*);
     static Element* currentFullScreenElementFrom(Document*);
     static bool isFullScreen(Document*);
     static bool isActiveFullScreenElement(const Element*);
 
     enum FullScreenCheckType {
         EnforceIFrameAllowFullScreenRequirement,
         ExemptIFrameAllowFullScreenRequirement,
     };
 
     void requestFullScreenForElement(Element*, unsigned short flags, FullScreenCheckType);
     void webkitCancelFullScreen();
 
     void webkitWillEnterFullScreenForElement(Element*);
     void webkitDidEnterFullScreenForElement(Element*);
     void webkitWillExitFullScreenForElement(Element*);
     void webkitDidExitFullScreenForElement(Element*);
 
+    void setFullScreenRenderer(RenderFullScreen*);
+    RenderFullScreen* fullScreenRenderer() const { return m_fullScreenRenderer; }
+    void fullScreenRendererDestroyed();
+
     void clearFullscreenElementStack();
     void popFullscreenElementStack();
     void pushFullscreenElementStack(Element*);
     void addDocumentToFullScreenChangeEventQueue(Document*);
 
     bool fullScreenIsAllowedForElement(Element*) const;
     void fullScreenElementRemoved();
     void removeFullScreenElementOfSubtree(Node*, bool amongChildrenOnly = false);
 
     // W3C API
@@ skipping 12 matching lines @@
     static FullscreenElementStack* fromIfExistsSlow(Document*);
 
     explicit FullscreenElementStack(Document*);
 
     Document* document();
     void fullScreenChangeDelayTimerFired(Timer<FullscreenElementStack>*);
 
     bool m_areKeysEnabledInFullScreen;
     RefPtr<Element> m_fullScreenElement;
     Vector<RefPtr<Element> > m_fullScreenElementStack;
+    RenderFullScreen* m_fullScreenRenderer;
     Timer<FullscreenElementStack> m_fullScreenChangeDelayTimer;
     Deque<RefPtr<Node> > m_fullScreenChangeEventTargetQueue;
     Deque<RefPtr<Node> > m_fullScreenErrorEventTargetQueue;
     LayoutRect m_savedPlaceholderFrameRect;
     RefPtr<RenderStyle> m_savedPlaceholderRenderStyle;
 };
 
 inline bool FullscreenElementStack::isActiveFullScreenElement(const Element* element)
 {
     FullscreenElementStack* controller = fromIfExists(&element->document());
     if (!controller)
         return false;
     return controller->webkitIsFullScreen() && controller->webkitCurrentFullScreenElement() == element;
 }
 
 inline FullscreenElementStack* FullscreenElementStack::fromIfExists(Document* document)
 {
     if (!document->hasFullscreenElementStack())
         return 0;
     return fromIfExistsSlow(document);
 }
 
 } // namespace WebCore
 
 #endif // FullscreenElementStack_h