Remove most of visited link support.

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

 /*
  * 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 38 matching lines @@
 
     // Fractional unit.
     if (primitiveValue->isFlex())
         return GridLength(primitiveValue->getDoubleValue());
 
     return primitiveValue->convertToLength<FixedConversion | PercentConversion | AutoConversion>(state.cssToLengthConversionData());
 }
 
 } // namespace
 
-Color StyleBuilderConverter::convertColor(StyleResolverState& state, CSSValue* value, bool forVisitedLink)
+Color StyleBuilderConverter::convertColor(StyleResolverState& state, CSSValue* value)
 {
     CSSPrimitiveValue* primitiveValue = toCSSPrimitiveValue(value);
-    return state.document().textLinkColors().colorFromPrimitiveValue(primitiveValue, state.style()->color(), forVisitedLink);
+    return state.document().textLinkColors().colorFromPrimitiveValue(primitiveValue, state.style()->color());
 }
 
 AtomicString StyleBuilderConverter::convertFragmentIdentifier(StyleResolverState& state, CSSValue* value)
 {
     return nullAtom;
 }
 
 LengthBox StyleBuilderConverter::convertClip(StyleResolverState& state, CSSValue* value)
 {
     Rect* rect = toCSSPrimitiveValue(value)->getRectValue();
@@ skipping 350 matching lines @@
 {
     CSSPrimitiveValue* primitiveValue = toCSSPrimitiveValue(value);
     if (primitiveValue->getValueID()) {
         float multiplier = convertLineWidth<float>(state, value);
         return CSSPrimitiveValue::create(multiplier / 48, CSSPrimitiveValue::CSS_EMS)->computeLength<float>(state.cssToLengthConversionData());
     }
     return primitiveValue->computeLength<float>(state.cssToLengthConversionData());
 }
 
 } // namespace blink