Pass RenderStyle / RenderObject by reference in more places

Source/core/rendering/style/RenderStyle.h

 /*
  * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
  *           (C) 2000 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2003, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2006 Graham Dennis (graham.dennis@gmail.com)
  *
  * 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
@@ skipping 1768 matching lines @@
     if (zoomFactor > 1) {
         if (value < 0)
             value--;
         else
             value++;
     }
 
     return roundForImpreciseConversion<int>(value / zoomFactor);
 }
 
-inline float adjustFloatForAbsoluteZoom(float value, const RenderStyle* style)
+inline float adjustFloatForAbsoluteZoom(float value, const RenderStyle& style)
 {
-    return value / style->effectiveZoom();
+    return value / style.effectiveZoom();
 }
 
-inline LayoutUnit adjustLayoutUnitForAbsoluteZoom(LayoutUnit value, const RenderStyle* style)
+inline LayoutUnit adjustLayoutUnitForAbsoluteZoom(LayoutUnit value, const RenderStyle& style)
 {
-    return value / style->effectiveZoom();
+    return value / style.effectiveZoom();
 }
 
 inline bool RenderStyle::setZoom(float f)
 {
     if (compareEqual(visual->m_zoom, f))
         return false;
     visual.access()->m_zoom = f;
     setEffectiveZoom(effectiveZoom() * zoom());
     return true;
 }
@@ skipping 41 matching lines @@
 inline void RenderStyle::setHasPseudoStyle(PseudoId pseudo)
 {
     ASSERT(pseudo > NOPSEUDO);
     ASSERT(pseudo < FIRST_INTERNAL_PSEUDOID);
     noninherited_flags._pseudoBits |= 1 << (pseudo - 1);
 }
 
 } // namespace WebCore
 
 #endif // RenderStyle_h