Remove containsAttributeSelector() checks.

sky/engine/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 122 matching lines @@
 {
     if (!m_matchedRules || m_matchedRules->isEmpty())
         return;
 
     sortMatchedRules();
 
     Vector<MatchedRule, 32>& matchedRules = *m_matchedRules;
 
     // 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->containsAttributeSelector())
-            m_style->setUnique();
         m_result.addMatchedProperties(&ruleData->rule()->properties());
     }
 }
 
 inline bool ElementRuleCollector::ruleMatches(const RuleData& ruleData, const ContainerNode* scope, SelectorChecker::ContextFlags contextFlags)
 {
     SelectorChecker selectorChecker(m_context.element()->document(), m_mode);
     SelectorChecker::SelectorCheckingContext context(ruleData.selector(), m_context.element());
     context.elementStyle = m_style.get();
     context.scope = scope;
@@ skipping 28 matching lines @@
     return matchedRule1.position() < matchedRule2.position();
 }
 
 void ElementRuleCollector::sortMatchedRules()
 {
     ASSERT(m_matchedRules);
     std::sort(m_matchedRules->begin(), m_matchedRules->end(), compareRules);
 }
 
 } // namespace blink