Remove includeEmptyRules.

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 126 matching lines @@
     context.scope = scope;
     return selectorChecker.match(context);
 }
 
 void ElementRuleCollector::collectRuleIfMatches(const RuleData& ruleData, CascadeScope cascadeScope, CascadeOrder cascadeOrder, const MatchRequest& matchRequest, RuleRange& ruleRange)
 {
     StyleRule* rule = ruleData.rule();
     if (ruleMatches(ruleData, matchRequest.scope)) {
         // If the rule has no properties to apply, then ignore it in the non-debug mode.
         const StylePropertySet& properties = rule->properties();
-        if (properties.isEmpty() && !matchRequest.includeEmptyRules)
+        if (properties.isEmpty())
             return;
 
         // Update our first/last rule indices in the matched rules array.
         ++ruleRange.lastRuleIndex;
         if (ruleRange.firstRuleIndex == -1)
             ruleRange.firstRuleIndex = ruleRange.lastRuleIndex;
 
         // Add this rule to our list of matched rules.
         addMatchedRule(&ruleData, cascadeScope, cascadeOrder, matchRequest.styleSheetIndex, matchRequest.styleSheet);
     }
 }
 
 static inline bool compareRules(const MatchedRule& matchedRule1, const MatchedRule& matchedRule2)
 {
     if (matchedRule1.cascadeScope() != matchedRule2.cascadeScope())
         return matchedRule1.cascadeScope() > matchedRule2.cascadeScope();
 
     return matchedRule1.position() < matchedRule2.position();
 }
 
 void ElementRuleCollector::sortMatchedRules()
 {
     ASSERT(m_matchedRules);
     std::sort(m_matchedRules->begin(), m_matchedRules->end(), compareRules);
 }
 
 } // namespace blink