Revert 146744 "Refactoring: Pull Node::disabled() and Node::isIn..."

Source/WebCore/dom/Element.h

Index: Source/WebCore/dom/Element.h
===================================================================
--- Source/WebCore/dom/Element.h	(revision 146891)
+++ Source/WebCore/dom/Element.h	(working copy)
@@ -557,14 +557,6 @@
     virtual void setChangedSinceLastFormControlChangeEvent(bool);
     virtual void dispatchFormControlChangeEvent() { }
 
-    // Used for disabled form elements; if true, prevents mouse events from being dispatched
-    // to event listeners, and prevents DOMActivate events from being sent at all.
-    virtual bool disabled() const;
-
-#if ENABLE(DIALOG_ELEMENT)
-    bool isInert() const;
-#endif
-
 #if ENABLE(SVG)
     virtual bool childShouldCreateRenderer(const NodeRenderingContext&) const;
     bool hasPendingResources() const;