Make text visible when font loading takes longer than 3 seconds

Source/core/css/CSSSegmentedFontFace.h

 /*
  * Copyright (C) 2008 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 34 matching lines @@
 
 class CSSSegmentedFontFace : public RefCounted<CSSSegmentedFontFace> {
 public:
     static PassRefPtr<CSSSegmentedFontFace> create(CSSFontSelector* selector, FontTraitsMask traitsMask) { return adoptRef(new CSSSegmentedFontFace(selector, traitsMask)); }
     ~CSSSegmentedFontFace();
 
     CSSFontSelector* fontSelector() const { return m_fontSelector; }
     FontTraitsMask traitsMask() const { return m_traitsMask; }
 
     void fontLoaded(CSSFontFace*);
+    void fontLoadWaitLimitExceeded(CSSFontFace*);
 
     void addFontFace(PassRefPtr<FontFace>, bool cssConnected);
     void removeFontFace(PassRefPtr<FontFace>);
     bool isEmpty() const { return m_fontFaces.isEmpty(); }
 
     PassRefPtr<FontData> getFontData(const FontDescription&);
 
     class LoadFontCallback : public RefCounted<LoadFontCallback> {
     public:
         virtual ~LoadFontCallback() { }
@@ skipping 20 matching lines @@
     HashMap<unsigned, RefPtr<SegmentedFontData> > m_fontDataTable;
     // All non-CSS-connected FontFaces are stored after the CSS-connected ones.
     FontFaceList m_fontFaces;
     FontFaceList::iterator m_firstNonCssConnectedFace;
     Vector<RefPtr<LoadFontCallback> > m_callbacks;
 };
 
 } // namespace WebCore
 
 #endif // CSSSegmentedFontFace_h