Allow dialogs to use a custom View as their title.

ui/views/bubble/bubble_dialog_delegate.h

 // Copyright 2016 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_DIALOG_DELEGATE_H_
 #define UI_VIEWS_BUBBLE_BUBBLE_DIALOG_DELEGATE_H_
 
 #include <memory>
 
 #include "base/gtest_prod_util.h"
 #include "base/macros.h"
 #include "ui/views/bubble/bubble_border.h"
 #include "ui/views/widget/widget.h"
 #include "ui/views/widget/widget_observer.h"
 #include "ui/views/window/dialog_delegate.h"
 
 namespace gfx {
-class FontList;
 class Rect;
 }
 
 namespace views {
 
 class BubbleFrameView;
 class ViewTracker;
 
 // BubbleDialogDelegateView is a special DialogDelegateView for bubbles.
 class VIEWS_EXPORT BubbleDialogDelegateView : public DialogDelegateView,
@@ skipping 94 matching lines @@
   // bounds change as a result of the widget's bounds changing.
   void OnAnchorBoundsChanged();
 
  protected:
   BubbleDialogDelegateView();
   BubbleDialogDelegateView(View* anchor_view, BubbleBorder::Arrow arrow);
 
   // Get bubble bounds from the anchor rect and client view's preferred size.
   virtual gfx::Rect GetBubbleBounds();
 
-  // Return a FontList to use for the title of the bubble.
-  // (The default is MediumFont).
-  virtual const gfx::FontList& GetTitleFontList() const;
-
   // View overrides:
   void OnNativeThemeChanged(const ui::NativeTheme* theme) override;
 
   // Perform view initialization on the contents for bubble sizing.
   virtual void Init();
 
   // Sets the anchor view or rect and repositions the bubble. Note that if a
   // valid view gets passed, the anchor rect will get ignored. If the view gets
   // deleted, but no new view gets set, the last known anchor postion will get
   // returned.
@@ skipping 62 matching lines @@
 
   // Parent native window of the bubble.
   gfx::NativeView parent_window_;
 
   DISALLOW_COPY_AND_ASSIGN(BubbleDialogDelegateView);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_BUBBLE_BUBBLE_DELEGATE2_H_