Remove some straggling zoom-related code.

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 218 matching lines @@
 
     // Now constrain the intrinsic size along each axis according to minimum and maximum width/heights along the
     // opposite axis. So for example a maximum width that shrinks our width will result in the height we compute here
     // having to shrink in order to preserve the aspect ratio. Because we compute these values independently along
     // each axis, the final returned size may in fact not preserve the aspect ratio.
     // FIXME: In the long term, it might be better to just return this code more to the way it used to be before this
     // function was added, since all it has done is make the code more unclear.
     constrainedSize = intrinsicSize;
     if (intrinsicRatio && !intrinsicSize.isEmpty() && style()->logicalWidth().isAuto() && style()->logicalHeight().isAuto()) {
         // We can't multiply or divide by 'intrinsicRatio' here, it breaks tests, like fast/images/zoomed-img-size.html, which
-        // can only be fixed once subpixel precision is available for things like intrinsicWidth/Height - which include zoom!
+        // can only be fixed once subpixel precision is available for things like intrinsicWidth/Height.
         constrainedSize.setWidth(RenderBox::computeReplacedLogicalHeight() * intrinsicSize.width() / intrinsicSize.height());
         constrainedSize.setHeight(RenderBox::computeReplacedLogicalWidth() * intrinsicSize.height() / intrinsicSize.width());
     }
 }
 
 LayoutRect RenderReplaced::replacedContentRect(const LayoutSize* overriddenIntrinsicSize) const
 {
     LayoutRect contentRect = contentBoxRect();
     ObjectFit objectFit = style()->objectFit();
 
@@ skipping 272 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;
 }
 
 }