Added isComputedStyle::isDisplayTableType() and made it static

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 697 matching lines @@
         return true;
 
     if (m_nonInheritedData.m_overflowX != other.m_nonInheritedData.m_overflowX
         || m_nonInheritedData.m_overflowY != other.m_nonInheritedData.m_overflowY
         || m_nonInheritedData.m_clear != other.m_nonInheritedData.m_clear
         || m_nonInheritedData.m_unicodeBidi != other.m_nonInheritedData.m_unicodeBidi
         || m_nonInheritedData.m_floating != other.m_nonInheritedData.m_floating
         || m_nonInheritedData.m_originalDisplay != other.m_nonInheritedData.m_originalDisplay)
         return true;
 
-    if (m_nonInheritedData.m_effectiveDisplay >= FIRST_TABLE_DISPLAY && m_nonInheritedData.m_effectiveDisplay <= LAST_TABLE_DISPLAY) {
+    if (isDisplayTableType(display())) {
         if (m_inheritedData.m_borderCollapse != other.m_inheritedData.m_borderCollapse
             || m_inheritedData.m_emptyCells != other.m_inheritedData.m_emptyCells
             || m_inheritedData.m_captionSide != other.m_inheritedData.m_captionSide
             || m_nonInheritedData.m_tableLayout != other.m_nonInheritedData.m_tableLayout)
             return true;
 
         // In the collapsing border model, 'hidden' suppresses other borders, while 'none'
         // does not, so these style differences can be width differences.
         if (m_inheritedData.m_borderCollapse
             && ((borderTopStyle() == BorderStyleHidden && other.borderTopStyle() == BorderStyleNone)
@@ skipping 1324 matching lines @@
         if (value < 0)
             fvalue -= 0.5f;
         else
             fvalue += 0.5f;
     }
 
     return roundForImpreciseConversion<int>(fvalue / zoomFactor);
 }
 
 } // namespace blink