Remove most of visited link support.

sky/engine/core/css/resolver/StyleBuilderConverter.h

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  *     * 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
  * copyright notice, this list of conditions and the following disclaimer
  * in the documentation and/or other materials provided with the
  * distribution.
  *     * Neither the name of Google Inc. nor the names of its
@@ skipping 25 matching lines @@
 #include "platform/LengthSize.h"
 #include "platform/fonts/FontDescription.h"
 
 namespace blink {
 
 // Note that we assume the parser only allows valid CSSValue types.
 
 class StyleBuilderConverter {
 public:
     static AtomicString convertFragmentIdentifier(StyleResolverState&, CSSValue*);
-    static Color convertColor(StyleResolverState&, CSSValue*, bool forVisitedLink = false);
+    static Color convertColor(StyleResolverState&, CSSValue*);
     template <typename T> static T convertComputedLength(StyleResolverState&, CSSValue*);
     static LengthBox convertClip(StyleResolverState&, CSSValue*);
     template <typename T> static T convertFlags(StyleResolverState&, CSSValue*);
     static PassRefPtr<FontFeatureSettings> convertFontFeatureSettings(StyleResolverState&, CSSValue*);
     static FontWeight convertFontWeight(StyleResolverState&, CSSValue*);
     static FontDescription::VariantLigatures convertFontVariantLigatures(StyleResolverState&, CSSValue*);
     static GridPosition convertGridPosition(StyleResolverState&, CSSValue*);
     static GridTrackSize convertGridTrackSize(StyleResolverState&, CSSValue*);
     template <typename T> static T convertLineWidth(StyleResolverState&, CSSValue*);
     static Length convertLength(StyleResolverState&, CSSValue*);
@@ skipping 60 matching lines @@
 {
     CSSPrimitiveValue* primitiveValue = toCSSPrimitiveValue(value);
     if (primitiveValue->getValueID() == IdForNone)
         return nullAtom;
     return AtomicString(primitiveValue->getStringValue());
 }
 
 } // namespace blink
 
 #endif