Unprefix most methods on FullscreenElementStack

Source/core/dom/FullscreenElementStack.h

Index: Source/core/dom/FullscreenElementStack.h
diff --git a/Source/core/dom/FullscreenElementStack.h b/Source/core/dom/FullscreenElementStack.h
index d4f0c35b178678980f69b160c2adf37d25c9cbf4..38f77cfb3e3b1984507ee93db63d33368774eb2a 100644
--- a/Source/core/dom/FullscreenElementStack.h
+++ b/Source/core/dom/FullscreenElementStack.h
@@ -69,10 +69,13 @@ public:
     void fullyExitFullscreen();
     void exitFullscreen();
 
-    void webkitWillEnterFullScreenForElement(Element*);
-    void webkitDidEnterFullScreenForElement(Element*);
-    void webkitWillExitFullScreenForElement(Element*);
-    void webkitDidExitFullScreenForElement(Element*);
+    static bool fullscreenEnabled(Document&);
+    Element* fullscreenElement() const { return !m_fullScreenElementStack.isEmpty() ? m_fullScreenElementStack.last().get() : 0; }
+
+    void willEnterFullScreenForElement(Element*);
+    void didEnterFullScreenForElement(Element*);
+    void willExitFullScreenForElement(Element*);
+    void didExitFullScreenForElement(Element*);
 
     void setFullScreenRenderer(RenderFullScreen*);
     RenderFullScreen* fullScreenRenderer() const { return m_fullScreenRenderer; }
@@ -80,10 +83,6 @@ public:
 
     void removeFullScreenElementOfSubtree(Node*, bool amongChildrenOnly = false);
 
-    // W3C API
-    static bool webkitFullscreenEnabled(Document&);
-    Element* webkitFullscreenElement() const { return !m_fullScreenElementStack.isEmpty() ? m_fullScreenElementStack.last().get() : 0; }
-
     // Mozilla API
     bool webkitIsFullScreen() const { return m_fullScreenElement.get(); }
     bool webkitFullScreenKeyboardInputAllowed() const { return m_fullScreenElement.get() && m_areKeysEnabledInFullScreen; }