Lazy Parse CSS

third_party/WebKit/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 130 matching lines @@
             continue;
         }
 
         // FIXME: Exposing the non-standard getMatchedCSSRules API to web is the only reason this is needed.
         if (m_sameOriginOnly && !ruleData.hasDocumentSecurityOrigin())
             continue;
 
         StyleRule* rule = ruleData.rule();
 
         // If the rule has no properties to apply, then ignore it in the non-debug mode.
-        const StylePropertySet& properties = rule->properties();
-        if (properties.isEmpty() && !m_includeEmptyRules)
+        if (!rule->shouldConsiderForMatchingRules(m_includeEmptyRules))
             continue;
 
         SelectorChecker::MatchResult result;
         context.selector = &ruleData.selector();
         if (!checker.match(context, result)) {
             rejected++;
             continue;
         }
         if (m_pseudoStyleRequest.pseudoId != PseudoIdNone && m_pseudoStyleRequest.pseudoId != result.dynamicPseudo) {
             rejected++;
@@ skipping 167 matching lines @@
     // should not see the element's treescope. Because RuleSet has no
     // information about "scope".
     MatchRequest matchRequest(ruleSet);
     collectMatchingRules(matchRequest);
     collectMatchingShadowHostRules(matchRequest);
 
     return !m_matchedRules.isEmpty();
 }
 
 } // namespace blink