Revert 111028 - Support W3C Full Screen API proposal

Source/WebCore/dom/Document.h

Index: Source/WebCore/dom/Document.h
===================================================================
--- Source/WebCore/dom/Document.h	(revision 113078)
+++ Source/WebCore/dom/Document.h	(working copy)
@@ -1083,11 +1083,6 @@
     void removeFullScreenElementOfSubtree(Node*, bool amongChildrenOnly = false);
     bool isAnimatingFullScreen() const;
     void setAnimatingFullScreen(bool);
-
-    // W3C API
-    bool webkitFullscreenEnabled() const;
-    Element* webkitFullscreenElement() const { return !m_fullScreenElementStack.isEmpty() ? m_fullScreenElementStack.first().get() : 0; }
-    void webkitExitFullscreen();
 #endif
 
     // Used to allow element that loads data without going through a FrameLoader to delay the 'load' event.
@@ -1200,13 +1195,6 @@
 
     HTMLCollection* cachedCollection(CollectionType);
 
-#if ENABLE(FULLSCREEN_API)
-    void clearFullscreenElementStack();
-    void popFullscreenElementStack();
-    void pushFullscreenElementStack(Element*);
-    void addDocumentToFullScreenChangeEventQueue(Document*);
-#endif
-
     int m_guardRefCount;
 
     OwnPtr<CSSStyleSelector> m_styleSelector;
@@ -1438,11 +1426,10 @@
 #if ENABLE(FULLSCREEN_API)
     bool m_areKeysEnabledInFullScreen;
     RefPtr<Element> m_fullScreenElement;
-    Deque<RefPtr<Element> > m_fullScreenElementStack;
     RenderFullScreen* m_fullScreenRenderer;
     Timer<Document> m_fullScreenChangeDelayTimer;
-    Deque<RefPtr<Node> > m_fullScreenChangeEventTargetQueue;
-    Deque<RefPtr<Node> > m_fullScreenErrorEventTargetQueue;
+    Deque<RefPtr<Element> > m_fullScreenChangeEventTargetQueue;
+    Deque<RefPtr<Element> > m_fullScreenErrorEventTargetQueue;
     bool m_isAnimatingFullScreen;
     LayoutRect m_savedPlaceholderFrameRect;
     RefPtr<RenderStyle> m_savedPlaceholderRenderStyle;