Add test for WebBluetooth chooser spinner, status text and rescan button

chrome/browser/ui/views/extensions/chooser_dialog_view.cc

 // 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.
 
 #include "chrome/browser/ui/views/extensions/chooser_dialog_view.h"
 
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/chooser_controller/chooser_controller.h"
 #include "chrome/browser/extensions/chrome_extension_chooser_dialog.h"
 #include "chrome/browser/ui/views/chooser_content_view.h"
 #include "chrome/grit/generated_resources.h"
 #include "components/constrained_window/constrained_window_views.h"
 #include "components/web_modal/web_contents_modal_dialog_manager.h"
 #include "content/public/browser/browser_thread.h"
+#include "ui/views/controls/link.h"
 #include "ui/views/controls/styled_label.h"
 #include "ui/views/window/dialog_client_view.h"
 
 ChooserDialogView::ChooserDialogView(
     std::unique_ptr<ChooserController> chooser_controller) {
   // ------------------------------------
   // | Chooser dialog title             |
   // | -------------------------------- |
   // | | option 0                     | |
   // | | option 1                     | |
@@ skipping 83 matching lines @@
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
   DCHECK(chooser_controller);
 
   web_modal::WebContentsModalDialogManager* manager =
       web_modal::WebContentsModalDialogManager::FromWebContents(web_contents_);
   if (manager) {
     constrained_window::ShowWebModalDialogViews(
         new ChooserDialogView(std::move(chooser_controller)), web_contents_);
   }
 }