Consistently use on-heap collections for StyleRuleBase descendants.

Source/core/dom/TreeScopeStyleSheetCollection.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
@@ skipping 57 matching lines @@
 }
 
 void TreeScopeStyleSheetCollection::removeStyleSheetCandidateNode(Node* node, ContainerNode* scopingNode)
 {
     m_styleSheetCandidateNodes.remove(node);
 
     if (!isTreeScopeRoot(scopingNode))
         m_scopingNodesForStyleScoped.remove(scopingNode);
 }
 
-TreeScopeStyleSheetCollection::StyleResolverUpdateType TreeScopeStyleSheetCollection::compareStyleSheets(const Vector<RefPtr<CSSStyleSheet> >& oldStyleSheets, const Vector<RefPtr<CSSStyleSheet> >& newStylesheets, Vector<StyleSheetContents*>& addedSheets)
+TreeScopeStyleSheetCollection::StyleResolverUpdateType TreeScopeStyleSheetCollection::compareStyleSheets(const Vector<RefPtr<CSSStyleSheet> >& oldStyleSheets, const Vector<RefPtr<CSSStyleSheet> >& newStylesheets, WillBeHeapVector<RawPtrWillBeMember<StyleSheetContents> >& addedSheets)
 {
     unsigned newStyleSheetCount = newStylesheets.size();
     unsigned oldStyleSheetCount = oldStyleSheets.size();
     ASSERT(newStyleSheetCount >= oldStyleSheetCount);
 
     if (!newStyleSheetCount)
         return Reconstruct;
 
     unsigned newIndex = 0;
     for (unsigned oldIndex = 0; oldIndex < oldStyleSheetCount; ++oldIndex) {
@@ skipping 25 matching lines @@
             hasActiveLoadingStylesheet = true;
     }
     if (m_hadActiveLoadingStylesheet && !hasActiveLoadingStylesheet) {
         m_hadActiveLoadingStylesheet = false;
         return true;
     }
     m_hadActiveLoadingStylesheet = hasActiveLoadingStylesheet;
     return false;
 }
 
-static bool findFontFaceRulesFromStyleSheetContents(Vector<StyleSheetContents*> sheets, Vector<const StyleRuleFontFace*>& fontFaceRules)
+static bool findFontFaceRulesFromStyleSheetContents(const WillBeHeapVector<RawPtrWillBeMember<StyleSheetContents> >& sheets, WillBeHeapVector<RawPtrWillBeMember<const StyleRuleFontFace> >& fontFaceRules)
 {
     bool hasFontFaceRule = false;
 
     for (unsigned i = 0; i < sheets.size(); ++i) {
         ASSERT(sheets[i]);
         if (sheets[i]->hasFontFaceRule()) {
             // FIXME: We don't need this for styles in shadow tree.
             sheets[i]->findFontFaceRules(fontFaceRules);
             hasFontFaceRule = true;
         }
     }
     return hasFontFaceRule;
 }
 
 void TreeScopeStyleSheetCollection::analyzeStyleSheetChange(StyleResolverUpdateMode updateMode, const StyleSheetCollection& newCollection, StyleSheetChange& change)
 {
     if (activeLoadingStyleSheetLoaded(newCollection.activeAuthorStyleSheets()))
         return;
 
     if (updateMode != AnalyzedStyleUpdate)
         return;
 
     // Find out which stylesheets are new.
-    Vector<StyleSheetContents*> addedSheets;
+    WillBeHeapVector<RawPtrWillBeMember<StyleSheetContents> > addedSheets;
     if (m_activeAuthorStyleSheets.size() <= newCollection.activeAuthorStyleSheets().size()) {
         change.styleResolverUpdateType = compareStyleSheets(m_activeAuthorStyleSheets, newCollection.activeAuthorStyleSheets(), addedSheets);
     } else {
         StyleResolverUpdateType updateType = compareStyleSheets(newCollection.activeAuthorStyleSheets(), m_activeAuthorStyleSheets, addedSheets);
         if (updateType != Additive) {
             change.styleResolverUpdateType = updateType;
         } else {
             change.styleResolverUpdateType = Reset;
             // If @font-face is removed, needs full style recalc.
             if (findFontFaceRulesFromStyleSheetContents(addedSheets, change.fontFaceRulesToRemove))
@@ skipping 53 matching lines @@
     }
     return false;
 }
 
 void TreeScopeStyleSheetCollection::updateUsesRemUnits()
 {
     m_usesRemUnits = styleSheetsUseRemUnits(m_activeAuthorStyleSheets);
 }
 
 }