Use BookmarkAppConfirmationView on Mac. Delete the NSAlert Mac uses currently.

chrome/browser/extensions/bookmark_app_helper.cc

 // Copyright 2014 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/extensions/bookmark_app_helper.h"
 
 #include <stddef.h>
 
 #include <cctype>
 #include <string>
 
 #include "base/macros.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/time/time.h"
 #include "build/build_config.h"
 #include "chrome/browser/banners/app_banner_settings_helper.h"
 #include "chrome/browser/bitmap_fetcher/bitmap_fetcher.h"
 #include "chrome/browser/bitmap_fetcher/bitmap_fetcher_delegate.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/extensions/crx_installer.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/favicon_downloader.h"
 #include "chrome/browser/extensions/launch_util.h"
 #include "chrome/browser/extensions/tab_helper.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/app_list/app_list_service.h"
 #include "chrome/browser/ui/app_list/app_list_util.h"
+#include "chrome/browser/ui/browser_dialogs.h"
 #include "chrome/browser/ui/browser_finder.h"
 #include "chrome/browser/ui/browser_window.h"
 #include "chrome/browser/web_applications/web_app.h"
 #include "chrome/browser/webshare/share_target_pref_helper.h"
 #include "chrome/common/extensions/extension_constants.h"
 #include "chrome/common/extensions/manifest_handlers/app_launch_info.h"
 #include "chrome/common/origin_trials/chrome_origin_trial_policy.h"
 #include "chrome/common/url_constants.h"
 #include "chrome/grit/platform_locale_settings.h"
 #include "components/prefs/pref_service.h"
@@ skipping 622 matching lines @@
     OnBubbleCompleted(true, web_app_info_);
     return;
   }
 
   Browser* browser = chrome::FindBrowserWithWebContents(contents_);
   if (!browser) {
     // The browser can be null in tests.
     OnBubbleCompleted(true, web_app_info_);
     return;
   }
-  browser->window()->ShowBookmarkAppBubble(
-      web_app_info_, base::Bind(&BookmarkAppHelper::OnBubbleCompleted,
-                                weak_factory_.GetWeakPtr()));
+  chrome::ShowBookmarkAppDialog(
+      browser->window()->GetNativeWindow(), web_app_info_,
+      base::Bind(&BookmarkAppHelper::OnBubbleCompleted,
+                 weak_factory_.GetWeakPtr()));
 }
 
 void BookmarkAppHelper::OnBubbleCompleted(
     bool user_accepted,
     const WebApplicationInfo& web_app_info) {
   if (user_accepted) {
     web_app_info_ = web_app_info;
     crx_installer_->InstallWebApp(web_app_info_);
   } else {
     callback_.Run(nullptr, web_app_info_);
@@ skipping 132 matching lines @@
       extension, info_list, base::Bind(&OnIconsLoaded, web_app_info, callback));
 }
 
 bool IsValidBookmarkAppUrl(const GURL& url) {
   URLPattern origin_only_pattern(Extension::kValidBookmarkAppSchemes);
   origin_only_pattern.SetMatchAllURLs(true);
   return url.is_valid() && origin_only_pattern.MatchesURL(url);
 }
 
 }  // namespace extensions