Move isValid/isCurrentColor from Color to StyleColor

Source/core/css/resolver/StyleResolver.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 2004-2005 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2006, 2007 Nicholas Shanks (webkit@nickshanks.com)
  * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 Apple Inc. All rights reserved.
  * Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org>
  * Copyright (C) 2007, 2008 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (c) 2011, Code Aurora Forum. All rights reserved.
  * Copyright (C) Research In Motion Limited 2011. All rights reserved.
@@ skipping 1367 matching lines @@
     bool isInitial = value->isInitialValue() || (!state.parentNode() && value->isInheritedValue());
 
     ASSERT(!isInherit || !isInitial); // isInherit -> !isInitial && isInitial -> !isInherit
     ASSERT(!isInherit || (state.parentNode() && state.parentStyle())); // isInherit -> (state.parentNode() && state.parentStyle())
 
     if (!state.applyPropertyToRegularStyle() && (!state.applyPropertyToVisitedLinkStyle() || !isValidVisitedLinkProperty(id))) {
         // Limit the properties that can be applied to only the ones honored by :visited.
         return;
     }
 
-    CSSPrimitiveValue* primitiveValue = value->isPrimitiveValue() ? toCSSPrimitiveValue(value) : 0;
-    if (primitiveValue && primitiveValue->getValueID() == CSSValueCurrentcolor)
-        state.style()->setHasCurrentColor();
-
     if (isInherit && !state.parentStyle()->hasExplicitlyInheritedProperties() && !CSSProperty::isInheritedProperty(id))
         state.parentStyle()->setHasExplicitlyInheritedProperties();
 
     if (id == CSSPropertyVariable) {
         ASSERT_WITH_SECURITY_IMPLICATION(value->isVariableValue());
         CSSVariableValue* variable = toCSSVariableValue(value);
         ASSERT(!variable->name().isEmpty());
         ASSERT(!variable->value().isEmpty());
         state.style()->setVariable(variable->name(), variable->value());
         return;
@@ skipping 42 matching lines @@
     fprintf(stderr, "This recalc style:\n");
     printStyleStats(m_searches, m_elementsEligibleForSharing, m_stylesShared, m_searchFoundSiblingForSharing, m_searchesMissedSharing);
 
     fprintf(stderr, "Total:\n");
     printStyleStats(m_totalSearches, m_totalElementsEligibleForSharing, m_totalStylesShared, m_totalSearchFoundSiblingForSharing, m_totalSearchesMissedSharing);
     fprintf(stderr, "--------------------------------------------------------------------------------\n");
 }
 #endif
 
 } // namespace WebCore