Move CSSRuleList to the garbage collected heap

Source/core/css/resolver/StyleResolver.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 159 matching lines @@
 
 void StyleResolver::initWatchedSelectorRules(const WillBeHeapVector<RefPtrWillBeMember<StyleRule> >& watchedSelectors)
 {
     if (!watchedSelectors.size())
         return;
     m_watchedSelectorsRules = RuleSet::create();
     for (unsigned i = 0; i < watchedSelectors.size(); ++i)
         m_watchedSelectorsRules->addStyleRule(watchedSelectors[i].get(), RuleHasNoSpecialState);
 }
 
-void StyleResolver::lazyAppendAuthorStyleSheets(unsigned firstNew, const Vector<RefPtr<CSSStyleSheet> >& styleSheets)
+void StyleResolver::lazyAppendAuthorStyleSheets(unsigned firstNew, const WillBeHeapVector<RefPtrWillBeMember<CSSStyleSheet> >& styleSheets)
 {
     unsigned size = styleSheets.size();
     for (unsigned i = firstNew; i < size; ++i)
         m_pendingStyleSheets.add(styleSheets[i].get());
 }
 
-void StyleResolver::removePendingAuthorStyleSheets(const Vector<RefPtr<CSSStyleSheet> >& styleSheets)
+void StyleResolver::removePendingAuthorStyleSheets(const WillBeHeapVector<RefPtrWillBeMember<CSSStyleSheet> >& styleSheets)
 {
     for (unsigned i = 0; i < styleSheets.size(); ++i)
         m_pendingStyleSheets.remove(styleSheets[i].get());
 }
 
 void StyleResolver::appendCSSStyleSheet(CSSStyleSheet* cssSheet)
 {
     ASSERT(cssSheet);
     ASSERT(!cssSheet->disabled());
     if (cssSheet->mediaQueries() && !m_medium->eval(cssSheet->mediaQueries(), &m_viewportDependentMediaQueryResults))
@@ skipping 11 matching lines @@
 void StyleResolver::appendPendingAuthorStyleSheets()
 {
     setBuildScopedStyleTreeInDocumentOrder(false);
     for (ListHashSet<CSSStyleSheet*, 16>::iterator it = m_pendingStyleSheets.begin(); it != m_pendingStyleSheets.end(); ++it)
         appendCSSStyleSheet(*it);
 
     m_pendingStyleSheets.clear();
     finishAppendAuthorStyleSheets();
 }
 
-void StyleResolver::appendAuthorStyleSheets(unsigned firstNew, const Vector<RefPtr<CSSStyleSheet> >& styleSheets)
+void StyleResolver::appendAuthorStyleSheets(unsigned firstNew, const WillBeHeapVector<RefPtrWillBeMember<CSSStyleSheet> >& styleSheets)
 {
     // This handles sheets added to the end of the stylesheet list only. In other cases the style resolver
     // needs to be reconstructed. To handle insertions too the rule order numbers would need to be updated.
     unsigned size = styleSheets.size();
     for (unsigned i = firstNew; i < size; ++i)
         appendCSSStyleSheet(styleSheets[i].get());
 }
 
 void StyleResolver::finishAppendAuthorStyleSheets()
 {
@@ skipping 785 matching lines @@
 PassRefPtr<StyleRuleList> StyleResolver::styleRulesForElement(Element* element, unsigned rulesToInclude)
 {
     ASSERT(element);
     StyleResolverState state(document(), element);
     ElementRuleCollector collector(state.elementContext(), m_selectorFilter, state.style());
     collector.setMode(SelectorChecker::CollectingStyleRules);
     collectPseudoRulesForElement(element, collector, NOPSEUDO, rulesToInclude);
     return collector.matchedStyleRuleList();
 }
 
-PassRefPtr<CSSRuleList> StyleResolver::pseudoCSSRulesForElement(Element* element, PseudoId pseudoId, unsigned rulesToInclude)
+PassRefPtrWillBeRawPtr<CSSRuleList> StyleResolver::pseudoCSSRulesForElement(Element* element, PseudoId pseudoId, unsigned rulesToInclude)
 {
     ASSERT(element);
     StyleResolverState state(document(), element);
     ElementRuleCollector collector(state.elementContext(), m_selectorFilter, state.style());
     collector.setMode(SelectorChecker::CollectingCSSRules);
     collectPseudoRulesForElement(element, collector, pseudoId, rulesToInclude);
     return collector.matchedCSSRuleList();
 }
 
-PassRefPtr<CSSRuleList> StyleResolver::cssRulesForElement(Element* element, unsigned rulesToInclude)
+PassRefPtrWillBeRawPtr<CSSRuleList> StyleResolver::cssRulesForElement(Element* element, unsigned rulesToInclude)
 {
     return pseudoCSSRulesForElement(element, NOPSEUDO, rulesToInclude);
 }
 
 void StyleResolver::collectPseudoRulesForElement(Element* element, ElementRuleCollector& collector, PseudoId pseudoId, unsigned rulesToInclude)
 {
     collector.setPseudoStyleRequest(PseudoStyleRequest(pseudoId));
 
     if (rulesToInclude & UAAndUserCSSRules)
         matchUARules(collector);
@@ skipping 362 matching lines @@
 bool StyleResolver::mediaQueryAffectedByViewportChange() const
 {
     for (unsigned i = 0; i < m_viewportDependentMediaQueryResults.size(); ++i) {
         if (m_medium->eval(&m_viewportDependentMediaQueryResults[i]->m_expression) != m_viewportDependentMediaQueryResults[i]->m_result)
             return true;
     }
     return false;
 }
 
 } // namespace WebCore