Simplify watched selector handling and remove remnants of user stylesheets

Source/core/css/ElementRuleCollector.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 235 matching lines @@
             appendCSSOMWrapperForRule(const_cast<CSSStyleSheet*>(matchedRules[i].parentStyleSheet()), matchedRules[i].ruleData()->rule());
         return;
     }
 
     // Now transfer the set of matched rules over to our list of declarations.
     for (unsigned i = 0; i < matchedRules.size(); i++) {
         // FIXME: Matching should not modify the style directly.
         const RuleData* ruleData = matchedRules[i].ruleData();
         if (m_style && ruleData->containsUncommonAttributeSelector())
             m_style->setUnique();
-        m_result.addMatchedProperties(&ruleData->rule()->properties(), ruleData->rule(), ruleData->linkMatchType(), ruleData->propertyWhitelistType(m_matchingUARules));
+        m_result.addMatchedProperties(&ruleData->rule()->properties(), ruleData->linkMatchType(), ruleData->propertyWhitelistType(m_matchingUARules));
     }
 }
 
 inline bool ElementRuleCollector::ruleMatches(const RuleData& ruleData, const ContainerNode* scope, SelectorChecker::ContextFlags contextFlags, SelectorChecker::MatchResult* result)
 {
     SelectorChecker selectorChecker(m_context.element()->document(), m_mode);
     SelectorChecker::SelectorCheckingContext context(ruleData.selector(), m_context.element(), SelectorChecker::VisitedMatchEnabled);
     context.elementStyle = m_style.get();
     context.scope = scope;
     context.pseudoId = m_pseudoStyleRequest.pseudoId;
@@ skipping 76 matching lines @@
     // information about "scope".
     int firstRuleIndex = -1, lastRuleIndex = -1;
     RuleRange ruleRange(firstRuleIndex, lastRuleIndex);
     // FIXME: Verify whether it's ok to ignore CascadeScope here.
     collectMatchingRules(MatchRequest(ruleSet), ruleRange, SelectorChecker::DefaultBehavior);
 
     return m_matchedRules && !m_matchedRules->isEmpty();
 }
 
 } // namespace blink