Revert of Get all font unittests running with DirectWrite on Windows 7+

ui/gfx/platform_font_win.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef UI_GFX_PLATFORM_FONT_WIN_H_
 #define UI_GFX_PLATFORM_FONT_WIN_H_
 
 #include <string>
 
 #include "base/compiler_specific.h"
@@ skipping 154 matching lines @@
   static HFontRef* GetBaseFontRef();
 
   // Creates and returns a new HFontRef from the specified HFONT.
   static HFontRef* CreateHFontRef(HFONT font);
 
   // Creates and returns a new HFontRef from the specified HFONT. Uses provided
   // |font_metrics| instead of calculating new one.
   static HFontRef* CreateHFontRefFromGDI(HFONT font,
                                          const TEXTMETRIC& font_metrics);
 
+  // Returns a largest derived Font whose height does not exceed the height of
+  // |base_font|.
+  static Font DeriveWithCorrectedSize(HFONT base_font);
+
   // Creates and returns a new HFontRef from the specified HFONT using metrics
   // from skia. Currently this is only used if we use DirectWrite for font
   // metrics.
   // |gdi_font| : Handle to the GDI font created via CreateFontIndirect.
   // |font_metrics| : The GDI font metrics retrieved via the GetTextMetrics
   // API. This is currently used to calculate the correct height of the font
   // in case we get a font created with a positive height.
   // A positive height represents the cell height (ascent + descent).
   // A negative height represents the character Em height which is cell
   // height minus the internal leading value.
@@ skipping 13 matching lines @@
 
   // Pointer to the global IDWriteFactory interface.
   static IDWriteFactory* direct_write_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(PlatformFontWin);
 };
 
 }  // namespace gfx
 
 #endif  // UI_GFX_PLATFORM_FONT_WIN_H_