Combine ComputedStyle default ctor with initial style ctor.

third_party/WebKit/Source/core/style/ComputedStyle.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, 2011 Apple Inc. All
  * rights reserved.
  * Copyright (C) 2006 Graham Dennis (graham.dennis@gmail.com)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ skipping 287 matching lines @@
     m_nonInheritedData.m_styleType = PseudoIdNone;
     m_nonInheritedData.m_pseudoBits = 0;
     m_nonInheritedData.m_explicitInheritance = false;
     m_nonInheritedData.m_emptyState = false;
     m_nonInheritedData.m_hasViewportUnits = false;
     m_nonInheritedData.m_isLink = false;
     m_nonInheritedData.m_hasRemUnits = false;
   }
 
  private:
-  // TODO(sashab): Move these to the bottom of ComputedStyle.

[sashab, 2017/03/09 23:48:22]

Leave this TODO here - this is referring to the fact that these methods/fields
are private, so ComputedStyle has two "public" sections which is against our
style guide. Maybe reword it to clarify this.

[shend, 2017/03/14 06:05:21]

Done.

-  ALWAYS_INLINE ComputedStyle();
-
   enum InitialStyleTag { InitialStyle };
   ALWAYS_INLINE explicit ComputedStyle(InitialStyleTag);
   ALWAYS_INLINE ComputedStyle(const ComputedStyle&);
 
   static PassRefPtr<ComputedStyle> createInitialStyle();
   static inline ComputedStyle& mutableInitialStyle() {
     LEAK_SANITIZER_DISABLED_SCOPE;
     DEFINE_STATIC_REF(ComputedStyle, s_initialStyle,
                       (ComputedStyle::createInitialStyle()));
     return *s_initialStyle;
@@ skipping 3494 matching lines @@
   m_nonInheritedData.m_pseudoBits |= 1 << (pseudo - 1);
 }
 
 inline bool ComputedStyle::hasPseudoElementStyle() const {
   return m_nonInheritedData.m_pseudoBits & ElementPseudoIdMask;
 }
 
 }  // namespace blink
 
 #endif  // ComputedStyle_h