Current work-in-progress crbug.com/567021

third_party/WebKit/Source/core/dom/StyleSheetCollection.h

 /*
  * 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)
@@ skipping 15 matching lines @@
  * Boston, MA 02110-1301, USA.
  *
  */
 
 #ifndef StyleSheetCollection_h
 #define StyleSheetCollection_h
 
 #include "bindings/core/v8/ScriptWrappable.h"
 #include "bindings/core/v8/TraceWrapperMember.h"
 #include "core/CoreExport.h"
+#include "core/css/ActiveStyleSheets.h"
 #include "platform/heap/Handle.h"
 #include "wtf/Allocator.h"
 #include "wtf/Vector.h"
 
 namespace blink {
 
-class CSSStyleSheet;
 class StyleSheet;
 
 class CORE_EXPORT StyleSheetCollection
     : public GarbageCollected<StyleSheetCollection>,
       public TraceWrapperBase {
   WTF_MAKE_NONCOPYABLE(StyleSheetCollection);
 
  public:
   friend class ActiveDocumentStyleSheetCollector;
   friend class ImportedDocumentStyleSheetCollector;
 
   static StyleSheetCollection* create() { return new StyleSheetCollection; }
 
-  const HeapVector<Member<CSSStyleSheet>>& activeAuthorStyleSheets() const {
+  const ActiveStyleSheetVector& activeAuthorStyleSheets() const {
     return m_activeAuthorStyleSheets;
   }
   const HeapVector<TraceWrapperMember<StyleSheet>>&
   styleSheetsForStyleSheetList() const {
     return m_styleSheetsForStyleSheetList;
   }
 
   void swap(StyleSheetCollection&);
   void swapSheetsForSheetList(HeapVector<Member<StyleSheet>>&);
-  void appendActiveStyleSheet(CSSStyleSheet*);
-  void appendActiveStyleSheets(const HeapVector<Member<CSSStyleSheet>>&);
-  void appendActiveStyleSheets(
-      const HeapVector<TraceWrapperMember<CSSStyleSheet>>&);
+  void appendActiveStyleSheet(const ActiveStyleSheet&);
   void appendSheetForList(StyleSheet*);
 
   DECLARE_VIRTUAL_TRACE();
   DECLARE_VIRTUAL_TRACE_WRAPPERS();
 
   void dispose();
 
  protected:
   StyleSheetCollection();
 
   HeapVector<TraceWrapperMember<StyleSheet>> m_styleSheetsForStyleSheetList;
-  HeapVector<Member<CSSStyleSheet>> m_activeAuthorStyleSheets;
+  ActiveStyleSheetVector m_activeAuthorStyleSheets;
 };
 
 }  // namespace blink
 
 #endif  // StyleSheetCollection_h