Add throbber and status text to WebBluetooth chooser UI on non-Mac desktops

chrome/browser/ui/views/website_settings/chooser_bubble_ui_view.h

 // Copyright 2015 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 CHROME_BROWSER_UI_VIEWS_WEBSITE_SETTINGS_CHOOSER_BUBBLE_UI_VIEW_H_
 #define CHROME_BROWSER_UI_VIEWS_WEBSITE_SETTINGS_CHOOSER_BUBBLE_UI_VIEW_H_
 
 #include <memory>
 
 #include "base/macros.h"
@@ skipping 18 matching lines @@
   ChooserBubbleUiView(Browser* browser,
                       std::unique_ptr<ChooserController> chooser_controller);
   ~ChooserBubbleUiView() override;
 
   // BubbleUi:
   void Show(BubbleReference bubble_reference) override;
   void Close() override;
   void UpdateAnchorPosition() override;
 
  private:
-  friend class ChooserBubbleUiViewDelegate;
   views::View* GetAnchorView();
   views::BubbleBorder::Arrow GetAnchorArrow();
 
   Browser* browser_;  // Weak.
   // Weak. Owned by its parent view.
   ChooserBubbleUiViewDelegate* chooser_bubble_ui_view_delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(ChooserBubbleUiView);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_WEBSITE_SETTINGS_CHOOSER_BUBBLE_UI_VIEW_H_