Remove unused method and de-virtualize others in Element.h

Source/core/dom/Element.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Peter Kelly (pmk@post.com)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2013 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
@@ skipping 399 matching lines @@
     virtual bool rendererIsNeeded(const NodeRenderingContext&);
     void recalcStyle(StyleChange = NoChange);
     void didAffectSelector(AffectedSelectorMask);
 
     ElementShadow* shadow() const;
     ElementShadow* ensureShadow();
     PassRefPtr<ShadowRoot> createShadowRoot(ExceptionCode&);
     ShadowRoot* shadowRoot() const;
 
     bool hasAuthorShadowRoot() const { return shadowRoot(); }
-    virtual void willAddAuthorShadowRoot() { }
 
     ShadowRoot* userAgentShadowRoot() const;
     ShadowRoot* ensureUserAgentShadowRoot();
 
     virtual const AtomicString& shadowPseudoId() const;
 
     RenderStyle* computedStyle(PseudoId = NOPSEUDO);
 
     // Methods for indicating the style is affected by dynamic updates (e.g., children changing, our position changing in our sibling list, etc.)
     bool styleAffectedByEmpty() const { return hasRareData() && rareDataStyleAffectedByEmpty(); }
@@ skipping 131 matching lines @@
     void clearHasPendingResources();
     virtual void buildPendingResource() { };
 #endif
 
     enum {
         ALLOW_KEYBOARD_INPUT = 1 << 0,
         LEGACY_MOZILLA_REQUEST = 1 << 1,
     };
     
     void webkitRequestFullScreen(unsigned short flags);
-    virtual bool containsFullScreenElement() const;
-    virtual void setContainsFullScreenElement(bool);
-    virtual void setContainsFullScreenElementOnAncestorsCrossingFrameBoundaries(bool);
+    bool containsFullScreenElement() const;
+    void setContainsFullScreenElement(bool);
+    void setContainsFullScreenElementOnAncestorsCrossingFrameBoundaries(bool);
 
     // W3C API
     void webkitRequestFullscreen();
 
     bool isInTopLayer() const;
     void setIsInTopLayer(bool);
 
     void webkitRequestPointerLock();
 
-    virtual bool isSpellCheckingEnabled() const;
+    bool isSpellCheckingEnabled() const;
 
     PassRefPtr<RenderStyle> styleForRenderer();
 
     RenderRegion* renderRegion() const;
 #if ENABLE(CSS_REGIONS)
     const AtomicString& webkitRegionOverset() const;
     Vector<RefPtr<Range> > webkitGetRegionFlowRanges() const;
 #endif
 
     bool hasID() const;
@@ skipping 407 matching lines @@
 
 inline const Attribute* ElementData::attributeItem(unsigned index) const
 {
     RELEASE_ASSERT(index < length());
     return attributeBase() + index;
 }
 
 } // namespace
 
 #endif