Merge 94508 - <rdar://problem/10071256> Retain retired custom fonts until the next style recalc

Source/WebCore/dom/Document.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 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)
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 63 matching lines @@
 class DocumentLoader;
 class DocumentMarkerController;
 class DocumentType;
 class DocumentWeakReference;
 class EditingText;
 class Element;
 class EntityReference;
 class Event;
 class EventListener;
 class EventQueue;
+class FontData;
 class FormAssociatedElement;
 class Frame;
 class FrameView;
 class HTMLCanvasElement;
 class HTMLCollection;
 class HTMLAllCollection;
 class HTMLDocument;
 class HTMLElement;
 class HTMLFormElement;
 class HTMLFrameOwnerElement;
@@ skipping 446 matching lines @@
     PassRefPtr<EditingText> createEditingTextNode(const String&);
 
     virtual void recalcStyle(StyleChange = NoChange);
     bool childNeedsAndNotInStyleRecalc();
     virtual void updateStyleIfNeeded();
     void updateLayout();
     void updateLayoutIgnorePendingStylesheets();
     PassRefPtr<RenderStyle> styleForElementIgnoringPendingStylesheets(Element*);
     PassRefPtr<RenderStyle> styleForPage(int pageIndex);
 
+    void retireCustomFont(FontData*);
+
     // Returns true if page box (margin boxes and page borders) is visible.
     bool isPageBoxVisible(int pageIndex);
 
     // Returns the preferred page size and margins in pixels, assuming 96
     // pixels per inch. pageSize, marginTop, marginRight, marginBottom,
     // marginLeft must be initialized to the default values that are used if
     // auto is specified.
     void pageSizeAndMarginsInPixels(int pageIndex, IntSize& pageSize, int& marginTop, int& marginRight, int& marginBottom, int& marginLeft);
 
     static void updateStyleForAllDocuments(); // FIXME: Try to reduce the # of calls to this function.
@@ skipping 571 matching lines @@
     void updateTitle(const StringWithDirection&);
     void updateFocusAppearanceTimerFired(Timer<Document>*);
     void updateBaseURL();
 
     void cacheDocumentElement() const;
 
     void buildAccessKeyMap(TreeScope* root);
 
     void createStyleSelector();
 
+    void deleteRetiredCustomFonts();
+
     PassRefPtr<NodeList> handleZeroPadding(const HitTestRequest&, HitTestResult&) const;
 
     void loadEventDelayTimerFired(Timer<Document>*);
 
 #if ENABLE(PAGE_VISIBILITY_API)
     PageVisibilityState visibilityState() const;
 #endif
 
     int m_guardRefCount;
 
     OwnPtr<CSSStyleSelector> m_styleSelector;
     bool m_didCalculateStyleSelector;
     bool m_hasDirtyStyleSelector;
-    
+    Vector<OwnPtr<FontData> > m_retiredCustomFonts;
+
     mutable RefPtr<CSSPrimitiveValueCache> m_cssPrimitiveValueCache;
 
     Frame* m_frame;
     OwnPtr<CachedResourceLoader> m_cachedResourceLoader;
     RefPtr<DocumentParser> m_parser;
     bool m_wellFormed;
 
     // Document URLs.
     KURL m_url; // Document.URL: The URL from which this document was retrieved.
     KURL m_baseURL; // Node.baseURI: The URL to use when resolving relative URLs.
@@ skipping 261 matching lines @@
     if (m_document)
         m_document->guardRef();
 #if !defined(NDEBUG) || (defined(DUMP_NODE_STATISTICS) && DUMP_NODE_STATISTICS)
     trackForDebugging();
 #endif
 }
 
 } // namespace WebCore
 
 #endif // Document_h