Fix the inconsistent problem while the content of textNodes is changed

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 1898 matching lines @@
   desc.setComputedSize(size);
 
   float autosizedFontSize =
       TextAutosizer::computeAutosizedFontSize(size, multiplier);
   desc.setComputedSize(std::min(maximumAllowedFontSize, autosizedFontSize));
 
   setFontDescription(desc);
   font().update(currentFontSelector);
 }
 
+void ComputedStyle::setTextAutosizingFingerPrint(unsigned fingerPrint) {
+  SET_VAR(m_styleInheritedData, textAutosizingFingerPrint, fingerPrint);
+}
+
 void ComputedStyle::addAppliedTextDecoration(
     const AppliedTextDecoration& decoration) {
   RefPtr<AppliedTextDecorationList>& list =
       m_rareInheritedData.access()->appliedTextDecorations;
 
   if (!list)
     list = AppliedTextDecorationList::create();
   else if (!list->hasOneRef())
     list = list->copy();
 
@@ skipping 471 matching lines @@
     if (value < 0)
       fvalue -= 0.5f;
     else
       fvalue += 0.5f;
   }
 
   return roundForImpreciseConversion<int>(fvalue / zoomFactor);
 }
 
 }  // namespace blink