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

chrome/browser/ui/browser_dialogs.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 CHROME_BROWSER_UI_BROWSER_DIALOGS_H_
 #define CHROME_BROWSER_UI_BROWSER_DIALOGS_H_
 
 #include <string>
 #include <utility>
 #include <vector>
 
 #include "base/callback.h"
 #include "base/optional.h"
 #include "base/strings/string16.h"
 #include "build/build_config.h"
 #include "chrome/browser/ui/bookmarks/bookmark_editor.h"
 #include "third_party/skia/include/core/SkColor.h"
 #include "ui/gfx/native_widget_types.h"
 
 #if defined(OS_CHROMEOS)
 #include "chrome/browser/chromeos/arc/intent_helper/arc_navigation_throttle.h"
 #endif  // OS_CHROMEOS
 
 class Browser;
 class GURL;
 class LoginHandler;
 class Profile;
+struct WebApplicationInfo;
 
 namespace content {
 class BrowserContext;
 class ColorChooser;
 class WebContents;
 }
 
 namespace extensions {
 class Extension;
 }
@@ skipping 57 matching lines @@
 #endif  // defined(USE_ASH)
 
 // Shows the create chrome app shortcut dialog box.
 // |close_callback| may be null.
 void ShowCreateChromeAppShortcutsDialog(
     gfx::NativeWindow parent_window,
     Profile* profile,
     const extensions::Extension* app,
     const base::Callback<void(bool /* created */)>& close_callback);
 
+// Callback type used with the ShowBookmarkAppDialog() method. The boolean
+// parameter is true when the user accepts the dialog. The WebApplicationInfo
+// parameter contains the WebApplicationInfo as edited by the user.
+using ShowBookmarkAppDialogCallback =
+    base::OnceCallback<void(bool, const WebApplicationInfo&)>;
+
+// Shows the Bookmark App bubble.
+// See Extension::InitFromValueFlags::FROM_BOOKMARK for a description of
+// bookmark apps.
+//
+// |web_app_info| is the WebApplicationInfo being converted into an app.
+void ShowBookmarkAppDialog(gfx::NativeWindow parent_window,
+                           const WebApplicationInfo& web_app_info,
+                           ShowBookmarkAppDialogCallback callback);
+
 // Shows a color chooser that reports to the given WebContents.
 content::ColorChooser* ShowColorChooser(content::WebContents* web_contents,
                                         SkColor initial_color);
 
 #if defined(OS_MACOSX)
 
 // Shows a views zoom bubble at the |anchor_point|. This occurs when the zoom
 // icon is clicked or when a shortcut key is pressed or whenever |web_contents|
 // zoom factor changes. |user_action| is used to determine if the bubble will
 // auto-close.
@@ skipping 169 matching lines @@
 using BubbleShowPtr =
     void (*)(content::WebContents*,
              const std::vector<arc::ArcNavigationThrottle::AppInfo>&,
              const IntentPickerResponse&);
 
 BubbleShowPtr ShowIntentPickerBubble();
 
 #endif  // OS_CHROMEOS
 
 #endif  // CHROME_BROWSER_UI_BROWSER_DIALOGS_H_