Supports FontList in Textfield.

ui/gfx/font_list.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_FONT_LIST_H_
 #define UI_GFX_FONT_LIST_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 58 matching lines @@
   int GetFontStyle() const;
 
   // Returns a string representing font names, styles, and size. If the FontList
   // is initialized by a vector of Font, use the first font's style and size
   // for the description.
   const std::string& GetFontDescriptionString() const;
 
   // Returns the Font vector.
   const std::vector<Font>& GetFonts() const;
 
+  // Returns the first font in the list.
+  const Font& GetPrimaryFont() const { return GetFonts()[0]; }

[Alexei Svitkine (slow), 2013/07/25 14:55:12]

This shouldn't be defined inline.

[Yuki, 2013/07/25 15:07:42]

Done.

+
  private:
   // A vector of Font. If FontList is constructed with font description string,
   // |fonts_| is not initialized during construction. Instead, it is computed
   // lazily when user asked to get the font vector.
   mutable std::vector<Font> fonts_;
 
   // A string representing font names, styles, and sizes.
   // Please refer to the comments before class declaration for details on string
   // format.
   // If FontList is constructed with a vector of font,
   // |font_description_string_| is not initialized during construction. Instead,
   // it is computed lazily when user asked to get the font description string.
   mutable std::string font_description_string_;
 
   // The cached common height and baseline of the fonts in the font list.
   mutable int common_height_;
   mutable int common_baseline_;
 };
 
 }  // namespace gfx
 
 #endif  // UI_GFX_FONT_LIST_H_