Remove lots of dead virtuals from Element.

sky/engine/core/rendering/RenderLayerScrollableArea.cpp

Index: sky/engine/core/rendering/RenderLayerScrollableArea.cpp
diff --git a/sky/engine/core/rendering/RenderLayerScrollableArea.cpp b/sky/engine/core/rendering/RenderLayerScrollableArea.cpp
index 245377839d7967a7867f96651a742da51d344e02..a77119a8a734d5dc6dfac2912e1f5e9520cb0b67 100644
--- a/sky/engine/core/rendering/RenderLayerScrollableArea.cpp
+++ b/sky/engine/core/rendering/RenderLayerScrollableArea.cpp
@@ -1182,22 +1182,12 @@ void RenderLayerScrollableArea::resize(const PlatformEvent& evt, const LayoutSiz
 
     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);