[LayoutNG] Implement 'text-align-last'

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 2409 matching lines @@
   bool HasWillChangeCompositingHint() const;
   bool HasWillChangeOpacityHint() const {
     return WillChangeProperties().Contains(CSSPropertyOpacity);
   }
   bool HasWillChangeTransformHint() const;
 
   // Hyphen utility functions.
   Hyphenation* GetHyphenation() const;
   const AtomicString& HyphenString() const;
 
+  // text-align utility functions.
+  using ComputedStyleBase::GetTextAlign;
+  ETextAlign GetTextAlign(bool is_last_line) const;
+
   // Line-height utility functions.
   const Length& SpecifiedLineHeight() const;
   int ComputedLineHeight() const;
   LayoutUnit ComputedLineHeightAsFixed() const;
 
   // Width/height utility functions.
   const Length& LogicalWidth() const {
     return IsHorizontalWritingMode() ? Width() : Height();
   }
   const Length& LogicalHeight() const {
@@ skipping 1134 matching lines @@
       PseudoBitsInternal() | 1 << (pseudo - kFirstPublicPseudoId)));
 }
 
 inline bool ComputedStyle::HasPseudoElementStyle() const {
   return PseudoBitsInternal() & kElementPseudoIdMask;
 }
 
 }  // namespace blink
 
 #endif  // ComputedStyle_h