Initial step of removing CSS zoom related properties.

sky/engine/core/rendering/RenderReplaced.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2000 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2006, 2007 Apple Inc. All rights reserved.
  * Copyright (C) Research In Motion Limited 2011-2012. 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
  * version 2 of the License, or (at your option) any later version.
@@ skipping 47 matching lines @@
 }
 
 void RenderReplaced::willBeDestroyed()
 {
     if (!documentBeingDestroyed() && parent())
         parent()->dirtyLinesFromChangedChild(this);
 
     RenderBox::willBeDestroyed();
 }
 
-void RenderReplaced::styleDidChange(StyleDifference diff, const RenderStyle* oldStyle)
-{
-    RenderBox::styleDidChange(diff, oldStyle);
-
-    bool hadStyle = (oldStyle != 0);
-    float oldZoom = hadStyle ? oldStyle->effectiveZoom() : RenderStyle::initialZoom();
-    if (style() && style()->effectiveZoom() != oldZoom)
-        intrinsicSizeChanged();
-}
-
 void RenderReplaced::layout()
 {
     ASSERT(needsLayout());
 
     setHeight(minimumReplacedHeight());
 
     updateLogicalWidth();
     updateLogicalHeight();
 
     m_overflow.clear();
@@ skipping 446 matching lines @@
 LayoutRect RenderReplaced::clippedOverflowRectForPaintInvalidation(const RenderLayerModelObject* paintInvalidationContainer, const PaintInvalidationState* paintInvalidationState) const
 {
     // The selectionRect can project outside of the overflowRect, so take their union
     // for paint invalidation to avoid selection painting glitches.
     LayoutRect r = isSelected() ? localSelectionRect() : visualOverflowRect();
     mapRectToPaintInvalidationBacking(paintInvalidationContainer, r, paintInvalidationState);
     return r;
 }
 
 }