Oilpan: implement StyleRuleList without an extra wrapper.

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 73 matching lines @@
     m_matchedRules.append(MatchedRule(rule, specificity, cascadeOrder, styleSheetIndex, parentStyleSheet));
 }
 
 void ElementRuleCollector::clearMatchedRules()
 {
     m_matchedRules.clear();
 }
 
 inline StyleRuleList* ElementRuleCollector::ensureStyleRuleList()
 {
+#if ENABLE(OILPAN)
+    if (!m_styleRuleList)
+        m_styleRuleList = new StyleRuleList();
+    return m_styleRuleList;
+#else
     if (!m_styleRuleList)
         m_styleRuleList = StyleRuleList::create();
     return m_styleRuleList.get();
+#endif
 }
 
 inline StaticCSSRuleList* ElementRuleCollector::ensureRuleList()
 {
     if (!m_cssRuleList)
         m_cssRuleList = StaticCSSRuleList::create();
     return m_cssRuleList.get();
 }
 
 void ElementRuleCollector::addElementStyleProperties(const StylePropertySet* propertySet, bool isCacheable)
@@ skipping 121 matching lines @@
 
 void ElementRuleCollector::sortAndTransferMatchedRules()
 {
     if (m_matchedRules.isEmpty())
         return;
 
     sortMatchedRules();
 
     if (m_mode == SelectorChecker::CollectingStyleRules) {
         for (unsigned i = 0; i < m_matchedRules.size(); ++i)
-            ensureStyleRuleList()->m_list.append(m_matchedRules[i].ruleData()->rule());
+            ensureStyleRuleList()->append(m_matchedRules[i].ruleData()->rule());
         return;
     }
 
     if (m_mode == SelectorChecker::CollectingCSSRules) {
         for (unsigned i = 0; i < m_matchedRules.size(); ++i)
             appendCSSOMWrapperForRule(const_cast<CSSStyleSheet*>(m_matchedRules[i].parentStyleSheet()), m_matchedRules[i].ruleData()->rule());
         return;
     }
 
     // Now transfer the set of matched rules over to our list of declarations.
@@ skipping 92 matching lines @@
     // should not see the element's treescope. Because RuleSet has no
     // information about "scope".
     int firstRuleIndex = -1, lastRuleIndex = -1;
     RuleRange ruleRange(firstRuleIndex, lastRuleIndex);
     collectMatchingRules(MatchRequest(ruleSet), ruleRange);
 
     return !m_matchedRules.isEmpty();
 }
 
 } // namespace blink