[css-ui] Add support for caret-color property

third_party/WebKit/Source/core/css/StyleColor.h

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 41 matching lines @@
   }
 
   Color resolve(Color currentColor) const {
     return m_currentColor ? currentColor : m_color;
   }
 
   static Color colorFromKeyword(CSSValueID);
   static bool isColorKeyword(CSSValueID);
   static bool isSystemColor(CSSValueID);
 
+ protected:
+  Color color() const { return m_color; }
+  void setCurrentColor(bool currentColor) { m_currentColor = currentColor; }
+
  private:
   Color m_color;
   bool m_currentColor;
 };
 
 inline bool operator==(const StyleColor& a, const StyleColor& b) {
   if (a.isCurrentColor() || b.isCurrentColor())
     return a.isCurrentColor() && b.isCurrentColor();
   return a.getColor() == b.getColor();
 }
 
 inline bool operator!=(const StyleColor& a, const StyleColor& b) {
   return !(a == b);
 }
 
 }  // namespace blink
 
 #endif  // StyleColor_h