Move viewport unit resolution to style recalc time

Source/core/rendering/RenderThemeChromiumMac.mm

 /*
  * Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Google, Inc.
  *
  * 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.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 1137 matching lines @@
 void RenderThemeChromiumMac::paintMenuListButtonGradients(RenderObject* o, const PaintInfo& paintInfo, const IntRect& r)
 {
     if (r.isEmpty())
         return;
 
     ContextContainer cgContextContainer(paintInfo.context);
     CGContextRef context = cgContextContainer.context();
 
     GraphicsContextStateSaver stateSaver(*paintInfo.context);
 
-    RoundedRect border = o->style()->getRoundedBorderFor(r, o->view());
+    RoundedRect border = o->style()->getRoundedBorderFor(r);
     int radius = border.radii().topLeft().width();
 
     CGColorSpaceRef cspace = deviceRGBColorSpaceRef();
 
     FloatRect topGradient(r.x(), r.y(), r.width(), r.height() / 2.0f);
     struct CGFunctionCallbacks topCallbacks = { 0, TopGradientInterpolate, NULL };
     RetainPtr<CGFunctionRef> topFunction(AdoptCF, CGFunctionCreate(NULL, 1, NULL, 4, NULL, &topCallbacks));
     RetainPtr<CGShadingRef> topShading(AdoptCF, CGShadingCreateAxial(cspace, CGPointMake(topGradient.x(), topGradient.y()), CGPointMake(topGradient.x(), topGradient.maxY()), topFunction.get(), false, false));
 
     FloatRect bottomGradient(r.x() + radius, r.y() + r.height() / 2.0f, r.width() - 2.0f * radius, r.height() / 2.0f);
@@ skipping 835 matching lines @@
 
 bool RenderThemeChromiumMac::shouldUseFallbackTheme(RenderStyle* style) const
 {
     ControlPart part = style->appearance();
     if (part == CheckboxPart || part == RadioPart)
         return style->effectiveZoom() != 1;
     return false;
 }
 
 } // namespace WebCore