Clear baseLayoutStyle when the font selector version has increased.

Source/platform/fonts/FontFallbackList.h

 /*
  * Copyright (C) 2006, 2010 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 46 matching lines @@
 
     private:
         FontFallbackList& m_fallbackList;
         GlyphPages& m_pages;
         GlyphPageTreeNodeBase* m_pageZero;
     };
 
     static PassRefPtr<FontFallbackList> create() { return adoptRef(new FontFallbackList()); }
 
     ~FontFallbackList() { releaseFontData(); }
+    bool isValid() const { return m_fontSelector ? m_fontSelector->version() == m_fontSelectorVersion : m_fontSelectorVersion == 0; }

[esprehn, 2015/03/26 23:28:15]

Can we move this out of line instead?

[rune, 2015/03/27 07:14:22]

Done.

     void invalidate(PassRefPtrWillBeRawPtr<FontSelector>);
 
     bool isFixedPitch(const FontDescription& fontDescription) const
     {
         if (m_pitch == UnknownPitchFont)
             determinePitch(fontDescription);
         return m_pitch == FixedPitchFont;
     }
     void determinePitch(const FontDescription&) const;
 
@@ skipping 47 matching lines @@
     unsigned m_fontSelectorVersion;
     mutable int m_familyIndex;
     unsigned short m_generation;
     mutable FixedPitchFontType m_pitch : 3; // Pitch
     mutable bool m_hasLoadingFallback : 1;
 };
 
 } // namespace blink
 
 #endif