Add a fast-path for independent inherited properties

third_party/WebKit/Source/core/style/ComputedStyleConstants.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 Apple Inc. All rights reserved.
  * Copyright (C) 2006 Graham Dennis (graham.dennis@gmail.com)
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ skipping 29 matching lines @@
     BSTop,
     BSRight,
     BSBottom,
     BSLeft
 };
 
 enum StyleRecalcChange {
     NoChange,
     NoInherit,
     UpdatePseudoElements,
+    IndependentInherit,
     Inherit,
     Force,
     Reattach,
     ReattachNoLayoutObject
 };
 
 static const size_t PrintColorAdjustBits = 1;
 enum PrintColorAdjust {
     PrintColorAdjustEconomy,
     PrintColorAdjustExact
@@ skipping 560 matching lines @@
 
 enum AutoRepeatType {
     NoAutoRepeat,
     AutoFill,
     AutoFit
 };
 
 } // namespace blink
 
 #endif // ComputedStyleConstants_h