Simplify PangoLayout configuration.

ui/gfx/platform_font_pango.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_PANGO_H_
 #define UI_GFX_PLATFORM_FONT_PANGO_H_
 
 #include <string>
 
 #include "base/compiler_specific.h"
@@ skipping 48 matching lines @@
 
  private:
   // Create a new instance of this object with the specified properties. Called
   // from DeriveFont.
   PlatformFontPango(const skia::RefPtr<SkTypeface>& typeface,
                     const std::string& name,
                     int size,
                     int style);
   virtual ~PlatformFontPango();
 
-  // Returns a Pango font description (suitable for parsing by
-  // pango_font_description_from_string()) for the default UI font.
-  static std::string GetDefaultFont();
-
   // Initializes this object based on the passed-in details. If |typeface| is
   // empty, a new typeface will be loaded.
   void InitFromDetails(
       const skia::RefPtr<SkTypeface>& typeface,
       const std::string& font_family,
       int font_size,
       int style);
 
   // Initializes this object as a copy of another PlatformFontPango.
   void InitFromPlatformFont(const PlatformFontPango* other);
@@ skipping 36 matching lines @@
 #if defined(OS_CHROMEOS)
   static std::string* default_font_description_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(PlatformFontPango);
 };
 
 }  // namespace gfx
 
 #endif  // UI_GFX_PLATFORM_FONT_PANGO_H_