include RefCounted.h where needed, only.

third_party/WebKit/Source/platform/fonts/GlyphPageTreeNode.h

 /*
  * Copyright (C) 2006, 2007, 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
@@ skipping 16 matching lines @@
  */
 
 #ifndef GlyphPageTreeNode_h
 #define GlyphPageTreeNode_h
 
 #include "platform/fonts/GlyphPage.h"
 #include "wtf/Allocator.h"
 #include "wtf/HashMap.h"
 #include "wtf/OwnPtr.h"
 #include "wtf/PassRefPtr.h"
-#include "wtf/RefCounted.h"
 #include "wtf/text/Unicode.h"
 #include <string.h>
 
 #include <unicode/uscript.h>
 
 namespace blink {
 
 class FontData;
 class SimpleFontData;
 
@@ skipping 140 matching lines @@
 inline GlyphPageTreeNodeBase* GlyphPageTreeNode::getChild(const FontData* fontData, unsigned pageNumber)
 {
     if (fontData)
         return getNormalChild(fontData, pageNumber);
     return getSystemFallbackChild(pageNumber);
 }
 
 } // namespace blink
 
 #endif // GlyphPageTreeNode_h