Remove lots of dead virtuals from Element.

sky/engine/core/rendering/RenderLayerScrollableArea.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple Inc. All rights reserved.
  *
  * Portions are Copyright (C) 1998 Netscape Communications Corporation.
  *
  * Other contributors:
  *   Robert O'Callahan <roc+@cs.cmu.edu>
  *   David Baron <dbaron@fas.harvard.edu>
  *   Christian Biesinger <cbiesinger@web.de>
  *   Randall Jesup <rjesup@wgate.com>
@@ skipping 1164 matching lines @@
         newOffset.setWidth(-newOffset.width());
         adjustedOldOffset.setWidth(-adjustedOldOffset.width());
     }
 
     LayoutSize difference = (currentSize + newOffset - adjustedOldOffset).expandedTo(minimumSize) - currentSize;
 
     bool isBoxSizingBorder = box().style()->boxSizing() == BORDER_BOX;
 
     EResize resize = box().style()->resize();
     if (resize != RESIZE_VERTICAL && difference.width()) {
-        if (element->isFormControlElement()) {
-            // Make implicit margins from the theme explicit (see <http://bugs.webkit.org/show_bug.cgi?id=9547>).
-            element->setInlineStyleProperty(CSSPropertyMarginLeft, box().marginLeft() / zoomFactor, CSSPrimitiveValue::CSS_PX);
-            element->setInlineStyleProperty(CSSPropertyMarginRight, box().marginRight() / zoomFactor, CSSPrimitiveValue::CSS_PX);
-        }
         LayoutUnit baseWidth = box().width() - (isBoxSizingBorder ? LayoutUnit() : box().borderAndPaddingWidth());
         baseWidth = baseWidth / zoomFactor;
         element->setInlineStyleProperty(CSSPropertyWidth, roundToInt(baseWidth + difference.width()), CSSPrimitiveValue::CSS_PX);
     }
 
     if (resize != RESIZE_HORIZONTAL && difference.height()) {
-        if (element->isFormControlElement()) {
-            // Make implicit margins from the theme explicit (see <http://bugs.webkit.org/show_bug.cgi?id=9547>).
-            element->setInlineStyleProperty(CSSPropertyMarginTop, box().marginTop() / zoomFactor, CSSPrimitiveValue::CSS_PX);
-            element->setInlineStyleProperty(CSSPropertyMarginBottom, box().marginBottom() / zoomFactor, CSSPrimitiveValue::CSS_PX);
-        }
         LayoutUnit baseHeight = box().height() - (isBoxSizingBorder ? LayoutUnit() : box().borderAndPaddingHeight());
         baseHeight = baseHeight / zoomFactor;
         element->setInlineStyleProperty(CSSPropertyHeight, roundToInt(baseHeight + difference.height()), CSSPrimitiveValue::CSS_PX);
     }
 
     document.updateLayout();
 
     // FIXME (Radar 4118564): We should also autoscroll the window as necessary to keep the point under the cursor in view.
 }
 
@@ skipping 84 matching lines @@
 void RenderLayerScrollableArea::setTopmostScrollChild(RenderLayer* scrollChild)
 {
     // We only want to track the topmost scroll child for scrollable areas with
     // overlay scrollbars.
     if (!hasOverlayScrollbars())
         return;
     m_nextTopmostScrollChild = scrollChild;
 }
 
 } // namespace blink