Fix the inconsistent problem while the content of textNodes is changed

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

 /*
  * Copyright (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. 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.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 14 matching lines @@
 
 namespace blink {
 
 StyleInheritedData::StyleInheritedData()
     : horizontal_border_spacing(
           ComputedStyle::initialHorizontalBorderSpacing()),
       vertical_border_spacing(ComputedStyle::initialVerticalBorderSpacing()),
       line_height(ComputedStyle::initialLineHeight()),
       color(ComputedStyle::initialColor()),
       visitedLinkColor(ComputedStyle::initialColor()),
-      textAutosizingMultiplier(1) {}
+      textAutosizingMultiplier(1),
+      textAutosizingFingerprint(0) {}
 
 StyleInheritedData::~StyleInheritedData() {}
 
 StyleInheritedData::StyleInheritedData(const StyleInheritedData& o)
     : RefCounted<StyleInheritedData>(),
       horizontal_border_spacing(o.horizontal_border_spacing),
       vertical_border_spacing(o.vertical_border_spacing),
       line_height(o.line_height),
       font(o.font),
       color(o.color),
       visitedLinkColor(o.visitedLinkColor),
-      textAutosizingMultiplier(o.textAutosizingMultiplier) {}
+      textAutosizingMultiplier(o.textAutosizingMultiplier),
+      textAutosizingFingerprint(o.textAutosizingFingerprint) {}
 
 bool StyleInheritedData::operator==(const StyleInheritedData& o) const {
   return line_height == o.line_height && font == o.font && color == o.color &&
          visitedLinkColor == o.visitedLinkColor &&
          horizontal_border_spacing == o.horizontal_border_spacing &&
          textAutosizingMultiplier == o.textAutosizingMultiplier &&
-         vertical_border_spacing == o.vertical_border_spacing;
+         vertical_border_spacing == o.vertical_border_spacing &&
+         textAutosizingFingerprint == o.textAutosizingFingerprint;
 }
 
 }  // namespace blink