Revert of Catch up the spec update in CSS Rhythmic Sizing

third_party/WebKit/Source/core/style/ComputedStyle.cpp

 /*
  * Copyright (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights
  * reserved.
  * Copyright (C) 2011 Adobe Systems Incorporated. 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 756 matching lines @@
         m_rareInheritedData->m_textOrientation !=
             other.m_rareInheritedData->m_textOrientation ||
         m_rareInheritedData->m_textCombine !=
             other.m_rareInheritedData->m_textCombine ||
         m_rareInheritedData->m_tabSize !=
             other.m_rareInheritedData->m_tabSize ||
         m_rareInheritedData->m_textSizeAdjust !=
             other.m_rareInheritedData->m_textSizeAdjust ||
         m_rareInheritedData->listStyleImage !=
             other.m_rareInheritedData->listStyleImage ||
-        m_rareInheritedData->m_lineHeightStep !=
-            other.m_rareInheritedData->m_lineHeightStep ||
+        m_rareInheritedData->m_snapHeightUnit !=
+            other.m_rareInheritedData->m_snapHeightUnit ||
+        m_rareInheritedData->m_snapHeightPosition !=
+            other.m_rareInheritedData->m_snapHeightPosition ||
         m_rareInheritedData->textStrokeWidth !=
             other.m_rareInheritedData->textStrokeWidth)
       return true;
 
     if (!m_rareInheritedData->shadowDataEquivalent(
             *other.m_rareInheritedData.get()))
       return true;
 
     if (!m_rareInheritedData->quotesDataEquivalent(
             *other.m_rareInheritedData.get()))
@@ skipping 1707 matching lines @@
     if (value < 0)
       fvalue -= 0.5f;
     else
       fvalue += 0.5f;
   }
 
   return roundForImpreciseConversion<int>(fvalue / zoomFactor);
 }
 
 }  // namespace blink