Get rid of background-clip:text and PaintBehaviorForceBlackText.

sky/engine/platform/graphics/Color.cpp

 /*
  * Copyright (C) 2003, 2004, 2005, 2006, 2008 Apple 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 149 matching lines @@
 {
     unsigned length = name.length();
 
     if (!length)
         return false;
     if (name.is8Bit())
         return parseHexColor(name.characters8(), name.length(), rgb);
     return parseHexColor(name.characters16(), name.length(), rgb);
 }
 
-int differenceSquared(const Color& c1, const Color& c2)
-{
-    int dR = c1.red() - c2.red();
-    int dG = c1.green() - c2.green();
-    int dB = c1.blue() - c2.blue();
-    return dR * dR + dG * dG + dB * dB;
-}
-
 bool Color::setFromString(const String& name)
 {
     if (name[0] != '#')
         return setNamedColor(name);
     if (name.is8Bit())
         return parseHexColor(name.characters8() + 1, name.length() - 1, m_color);
     return parseHexColor(name.characters16() + 1, name.length() - 1, m_color);
 }
 
 String Color::serializedAsCSSComponentValue() const
@@ skipping 264 matching lines @@
             (color.green() * alpha  + 254) / 255,
             (color.blue() * alpha  + 254) / 255,
             alpha).rgb();
     } else
          pixelColor = color.rgb();
 
     return pixelColor;
 }
 
 } // namespace blink