Make PopupMenuTest run on all platforms.

Source/platform/fonts/Font.h

 /*
  * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
  *           (C) 2000 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2003, 2006, 2007, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Holger Hans Peter Freyther
  *
  * 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
@@ skipping 62 matching lines @@
     int top;
     int bottom;
     bool computeBounds;
 };
 
 
 class PLATFORM_EXPORT Font {
 public:
     Font();
     Font(const FontDescription&, float letterSpacing, float wordSpacing);
-    // This constructor is only used if the platform wants to start with a native font.
-    Font(const FontPlatformData&, bool isPrinting, FontSmoothingMode = AutoSmoothing);
     ~Font();
 
     Font(const Font&);
     Font& operator=(const Font&);
 
     bool operator==(const Font& other) const;
     bool operator!=(const Font& other) const { return !(*this == other); }
 
     const FontDescription& fontDescription() const { return m_fontDescription; }
 
@@ skipping 225 matching lines @@
 {
     if (!tabSize)
         return letterSpacing();
     float tabWidth = tabSize * fontData.spaceWidth() + letterSpacing();
     return tabWidth - fmodf(position, tabWidth);
 }
 
 }
 
 #endif