blink: Cleanup class/struct forward declarations

third_party/WebKit/Source/platform/fonts/shaping/ShapeResultInlineHeaders.h

 /*
  * Copyright (c) 2012 Google Inc. All rights reserved.
  * Copyright (C) 2013 BlackBerry Limited. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 22 matching lines @@
 #define ShapeResultInlineHeaders_h
 
 #include "platform/fonts/shaping/ShapeResult.h"
 #include "wtf/Allocator.h"
 #include "wtf/Noncopyable.h"
 
 #include <hb.h>
 
 namespace blink {
 
-class Font;
 class SimpleFontData;
 
 struct HarfBuzzRunGlyphData {
   DISALLOW_NEW_EXCEPT_PLACEMENT_NEW();
   uint16_t glyph;
   uint16_t characterIndex;
   float advance;
   FloatSize offset;
 };
 
@@ skipping 50 matching lines @@
   hb_script_t m_script;
   Vector<HarfBuzzRunGlyphData> m_glyphData;
   unsigned m_startIndex;
   unsigned m_numCharacters;
   float m_width;
 };
 
 }  // namespace blink
 
 #endif  // ShapeResultInlineHeaders_h