Allow dialogs to use a custom View as their title.

ui/views/bubble/bubble_frame_view.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_VIEWS_BUBBLE_BUBBLE_FRAME_VIEW_H_
 #define UI_VIEWS_BUBBLE_BUBBLE_FRAME_VIEW_H_
 
 #include "base/compiler_specific.h"
 #include "base/gtest_prod_util.h"
 #include "base/macros.h"
+#include "ui/gfx/font_list.h"
 #include "ui/gfx/geometry/insets.h"
 #include "ui/views/controls/button/button.h"
 #include "ui/views/window/non_client_view.h"
 
-namespace gfx {
-class FontList;
-}
-
 namespace views {
 
-class Label;
 class BubbleBorder;
 class ImageView;
+class StyledLabel;
 
 // The non-client frame view of bubble-styled widgets.
 class VIEWS_EXPORT BubbleFrameView : public NonClientFrameView,
                                      public ButtonListener {
  public:
   // Internal class name.
   static const char kViewClassName[];
 
   BubbleFrameView(const gfx::Insets& title_margins,
                   const gfx::Insets& content_margins);
@@ skipping 83 matching lines @@
 
   // The bubble border.
   BubbleBorder* bubble_border_;
 
   // Margins around the title label.
   gfx::Insets title_margins_;
 
   // Margins between the content and the inside of the border, in pixels.
   gfx::Insets content_margins_;
 
+  // The font list used by the title.
+  gfx::FontList title_font_list_;
+
   // The optional title icon, title, and (x) close button.
   views::ImageView* title_icon_;
-  Label* title_;
+  StyledLabel* title_;
   Button* close_;
 
   // A view to contain the footnote view, if it exists.
   View* footnote_container_;
 
   // Whether the close button was clicked.
   bool close_button_clicked_;
 
   DISALLOW_COPY_AND_ASSIGN(BubbleFrameView);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_BUBBLE_BUBBLE_FRAME_VIEW_H_