Remove IDC_CREATE_SHORTCUT and its associated UI.

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>
@@ skipping 79 matching lines @@
 #if defined(USE_ASH)
 // Creates and shows an HTML dialog with the given delegate and browser context.
 // The dialog is placed in the ash window hierarchy in the given container.
 // See ash/public/cpp/shell_window_ids.h for |container_id| values. The window
 // is destroyed when it is closed. See also chrome::ShowWebDialog().
 void ShowWebDialogInContainer(int container_id,
                               content::BrowserContext* context,
                               ui::WebDialogDelegate* delegate);
 #endif  // defined(USE_ASH)
 
-#if !defined(OS_MACOSX)
-// Shows the create web app shortcut dialog box.
-void ShowCreateWebAppShortcutsDialog(gfx::NativeWindow parent_window,
-                                     content::WebContents* web_contents);
-#endif  // !defined(OS_MACOSX)
-
 // 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);
 
 // Shows a color chooser that reports to the given WebContents.
 content::ColorChooser* ShowColorChooser(content::WebContents* web_contents,
@@ skipping 87 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_