Merge 109104 - Percent width/height SVG not always scaled on window resize

Source/WebCore/rendering/RenderBlockLineLayout.cpp

 /*
  * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2003, 2004, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All right reserved.
  * Copyright (C) 2010 Google 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
  * version 2 of the License, or (at your option) any later version.
  *
@@ skipping 1459 matching lines @@
         // layout replaced elements
         bool hasInlineChild = false;
         for (InlineWalker walker(this); !walker.atEnd(); walker.advance()) {
             RenderObject* o = walker.current();
             if (!hasInlineChild && o->isInline())
                 hasInlineChild = true;
 
             if (o->isReplaced() || o->isFloating() || o->isPositioned()) {
                 RenderBox* box = toRenderBox(o);
 
-                if (relayoutChildren || o->style()->width().isPercent() || o->style()->height().isPercent())
+                if (relayoutChildren || box->hasRelativeDimensions())
                     o->setChildNeedsLayout(true, false);
 
                 // If relayoutChildren is set and the child has percentage padding or an embedded content box, we also need to invalidate the childs pref widths.
                 if (relayoutChildren && box->needsPreferredWidthsRecalculation())
                     o->setPreferredLogicalWidthsDirty(true, false);
 
                 if (o->isPositioned())
                     o->containingBlock()->insertPositionedObject(box);
                 else if (o->isFloating())
                     layoutState.floats().append(FloatWithRect(box));
@@ skipping 1307 matching lines @@
     lineGridBox->alignBoxesInBlockDirection(logicalHeight(), textBoxDataMap, verticalPositionCache);
     
     setLineGridBox(lineGridBox);
     
     // FIXME: If any of the characteristics of the box change compared to the old one, then we need to do a deep dirtying
     // (similar to what happens when the page height changes). Ideally, though, we only do this if someone is actually snapping
     // to this grid.
 }
 
 }