Remove unused RuleSet flags.

Source/core/css/RuleSet.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 33 matching lines @@
 #include "platform/weborigin/SecurityOrigin.h"
 
 #include "wtf/TerminatedArrayBuilder.h"
 
 namespace blink {
 
 using namespace HTMLNames;
 
 // -----------------------------------------------------------------
 
-static inline bool isSelectorMatchingHTMLBasedOnRuleHash(const CSSSelector& selector)
-{
-    if (selector.match() == CSSSelector::Tag) {
-        const AtomicString& selectorNamespace = selector.tagQName().namespaceURI();
-        if (selectorNamespace != starAtom && selectorNamespace != xhtmlNamespaceURI)
-            return false;
-        if (selector.relation() == CSSSelector::SubSelector && selector.tagHistory())
-            return isSelectorMatchingHTMLBasedOnRuleHash(*selector.tagHistory());
-        return true;
-    }
-    if (SelectorChecker::isCommonPseudoClassSelector(selector))
-        return true;
-    return selector.match() == CSSSelector::Id || selector.match() == CSSSelector::Class;
-}
-
 static inline bool selectorListContainsUncommonAttributeSelector(const CSSSelector* selector)
 {
     const CSSSelectorList* selectorList = selector->selectorList();
     if (!selectorList)
         return false;
     for (const CSSSelector* selector = selectorList->first(); selector; selector = CSSSelectorList::next(*selector)) {
         for (const CSSSelector* component = selector; component; component = component->tagHistory()) {
             if (component->isAttributeSelector())
                 return true;
         }
@@ skipping 41 matching lines @@
     }
     return PropertyWhitelistNone;
 }
 
 RuleData::RuleData(StyleRule* rule, unsigned selectorIndex, unsigned position, AddRuleFlags addRuleFlags)
     : m_rule(rule)
     , m_selectorIndex(selectorIndex)
     , m_isLastInArray(false)
     , m_position(position)
     , m_specificity(selector().specificity())
-    , m_hasMultipartSelector(!!selector().tagHistory())
-    , m_hasRightmostSelectorMatchingHTMLBasedOnRuleHash(isSelectorMatchingHTMLBasedOnRuleHash(selector()))
     , m_containsUncommonAttributeSelector(blink::containsUncommonAttributeSelector(selector()))
     , m_linkMatchType(SelectorChecker::determineLinkMatchType(selector()))
     , m_hasDocumentSecurityOrigin(addRuleFlags & RuleHasDocumentSecurityOrigin)
     , m_propertyWhitelistType(determinePropertyWhitelistType(addRuleFlags, selector()))
 {
     ASSERT(m_position == position);
     ASSERT(m_selectorIndex == selectorIndex);
     SelectorFilter::collectIdentifierHashes(selector(), m_descendantSelectorIdentifierHashes, maximumIdentifierCount);
 }
 
@@ skipping 274 matching lines @@
 
 #ifndef NDEBUG
 void RuleSet::show()
 {
     for (const auto& rule: m_allRules)
         rule.selector().show();
 }
 #endif
 
 } // namespace blink