Minimal feature collector for select selectors.

Source/core/css/RuleFeature.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 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 376 matching lines @@
 }
 
 DescendantInvalidationSet& RuleFeatureSet::ensurePseudoInvalidationSet(CSSSelector::PseudoType pseudoType)
 {
     PseudoTypeInvalidationSetMap::AddResult addResult = m_pseudoInvalidationSets.add(pseudoType, nullptr);
     if (addResult.isNewEntry)
         addResult.storedValue->value = DescendantInvalidationSet::create();
     return *addResult.storedValue->value;
 }
 
-void RuleFeatureSet::collectFeaturesFromSelector(const CSSSelector& selector)
-{
-    collectFeaturesFromSelector(selector, m_metadata, UseSubtreeStyleChange);
-}
-
 void RuleFeatureSet::collectFeaturesFromSelector(const CSSSelector& selector, RuleFeatureSet::FeatureMetadata& metadata, InvalidationSetMode mode)
 {
     unsigned maxDirectAdjacentSelectors = 0;
 
     for (const CSSSelector* current = &selector; current; current = current->tagHistory()) {
         if (mode != AddFeatures) {
             if (DescendantInvalidationSet* invalidationSet = invalidationSetForSelector(*current)) {
                 if (mode == UseSubtreeStyleChange)
                     invalidationSet->setWholeSubtreeInvalid();
             }
@@ skipping 158 matching lines @@
     visitor->trace(uncommonAttributeRules);
     visitor->trace(m_classInvalidationSets);
     visitor->trace(m_attributeInvalidationSets);
     visitor->trace(m_idInvalidationSets);
     visitor->trace(m_pseudoInvalidationSets);
     visitor->trace(m_styleInvalidator);
 #endif
 }
 
 } // namespace blink