Remove StyleInvalidator machinery.

sky/engine/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 374 matching lines @@
     documentStyle->setRTLOrdering(LogicalOrder);
     documentStyle->setLocale(document.contentLanguage());
     documentStyle->setZIndex(0);
     documentStyle->setUserModify(READ_ONLY);
 
     document.setupFontBuilder(documentStyle.get());
 
     return documentStyle.release();
 }
 
-static void addContentAttrValuesToFeatures(const Vector<AtomicString>& contentAttrValues, RuleFeatureSet& features)
-{
-    for (size_t i = 0; i < contentAttrValues.size(); ++i)
-        features.addContentAttr(contentAttrValues[i]);
-}
-
 // Start loading resources referenced by this style.
 void StyleResolver::loadPendingResources(StyleResolverState& state)
 {
     m_styleResourceLoader.loadPendingResources(state.style(), state.elementStyleResources());
     document().styleEngine()->fontSelector()->fontLoader()->loadPendingFonts();
 }
 
 PassRefPtr<RenderStyle> StyleResolver::styleForElement(Element* element, RenderStyle* defaultParent, StyleSharingBehavior sharingBehavior,
     RuleMatchingBehavior matchingBehavior)
 {
@@ skipping 44 matching lines @@
     }
 
     state.fontBuilder().initForStyleResolve(state.document(), state.style());
 
     {
         ElementRuleCollector collector(state.elementContext(), state.style());
 
         matchAllRules(state, collector, matchingBehavior != MatchAllRulesExcludingSMIL);
 
         applyMatchedProperties(state, collector.matchedResult());
-
-        addContentAttrValuesToFeatures(state.contentAttrValues(), m_features);
     }
 
     // Cache our original display.
     state.style()->setOriginalDisplay(state.style()->display());
 
     StyleAdjuster adjuster;
     adjuster.adjustRenderStyle(state.style(), state.parentStyle(), *element);
 
     // FIXME: The CSSWG wants to specify that the effects of animations are applied before
     // important rules, but this currently happens here as we require adjustment to have happened
@@ skipping 522 matching lines @@
     visitor->trace(m_viewportDependentMediaQueryResults);
     visitor->trace(m_features);
     visitor->trace(m_attributeRuleSet);
     visitor->trace(m_styleSharingLists);
     visitor->trace(m_pendingStyleSheets);
     visitor->trace(m_document);
 #endif
 }
 
 } // namespace blink