Add RenderText::SetFont() function to simplify some call sites.

ui/gfx/render_text.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_RENDER_TEXT_H_
 #define UI_GFX_RENDER_TEXT_H_
 
 #include <algorithm>
 #include <cstring>
 #include <string>
@@ skipping 95 matching lines @@
   const string16& text() const { return text_; }
   void SetText(const string16& text);
 
   HorizontalAlignment horizontal_alignment() const {
     return horizontal_alignment_;
   }
   void SetHorizontalAlignment(HorizontalAlignment alignment);
 
   const FontList& font_list() const { return font_list_; }
   void SetFontList(const FontList& font_list);
+  void SetFont(const Font& font);
 
   // Set the font size to |size| in pixels.
   void SetFontSize(int size);
 
   // Get the first font in |font_list_|.
   const Font& GetFont() const;
 
   bool cursor_enabled() const { return cursor_enabled_; }
   void SetCursorEnabled(bool cursor_enabled);
 
@@ skipping 375 matching lines @@
 
   // Text shadows to be drawn.
   ShadowValues text_shadows_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderText);
 };
 
 }  // namespace gfx
 
 #endif  // UI_GFX_RENDER_TEXT_H_