Generate CSSPropertyEquality instead of using hand-updated file.

third_party/WebKit/Source/platform/fonts/FontDescription.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, 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2007 Nicholas Shanks <webkit@nickshanks.com>
  *
  * 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
@@ skipping 302 matching lines @@
         && m_computedSize == other.m_computedSize
         && m_adjustedSize == other.m_adjustedSize
         && m_sizeAdjust == other.m_sizeAdjust
         && m_letterSpacing == other.m_letterSpacing
         && m_wordSpacing == other.m_wordSpacing
         && m_fieldsAsUnsigned[0] == other.m_fieldsAsUnsigned[0]
         && m_fieldsAsUnsigned[1] == other.m_fieldsAsUnsigned[1]
         && (m_featureSettings == other.m_featureSettings || (m_featureSettings && other.m_featureSettings && *m_featureSettings == *other.m_featureSettings));
 }
 
+inline bool operator==(const FontDescription::FamilyDescription& a, const FontDescription::FamilyDescription& b)
+{
+    return a.genericFamily == b.genericFamily && a.family == b.family;
+}
+
+inline bool operator==(const FontDescription::VariantLigatures& a, const FontDescription::VariantLigatures& b)
+{
+    return a.common == b.common && a.discretionary == b.discretionary && a.historical == b.historical && a.contextual == b.contextual;
+}
+
+inline bool operator==(const FontDescription::Size& a, const FontDescription::Size& b)
+{
+    return a.keyword == b.keyword && a.isAbsolute == b.isAbsolute && a.value == b.value;
+}
+
 } // namespace blink
 
 #endif