Adds a gfx_export.h to ui/gfx and converts all code in ui/gfx to

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>
 
-#include "ui/base/ui_export.h"
 #include "ui/gfx/font.h"
+#include "ui/gfx/gfx_export.h"
 
 namespace gfx {
 
 // FontList represents a list of fonts either in the form of Font vector or in
 // the form of a string representing font names, styles, and size.
 //
 // The string representation is in the form "FAMILY_LIST [STYLE_OPTIONS] SIZE",
 // where FAMILY_LIST is a comma separated list of families terminated by a
 // comma, STYLE_OPTIONS is a whitespace separated list of words where each word
 // describes one of style, variant, weight, stretch, or gravity, and SIZE is
@@ skipping 109 matching lines @@
   mutable int common_baseline_;
 
   // Cached font style and size.
   mutable int font_style_;
   mutable int font_size_;
 };
 
 }  // namespace gfx
 
 #endif  // UI_GFX_FONT_LIST_H_