Add native permissions dialog for apps_devtools app.

chrome/common/extensions/api/developer_private.idl

 // 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.
 
 // developerPrivate API.
 // This is a private API exposing developing and debugging functionalities for
 // apps and extensions.
 
 namespace developerPrivate {
 
@@ skipping 102 matching lines @@
     static void autoUpdate(BooleanCallback callback);
 
     // Returns information of all the extensions and apps installed.
     // |include_disabled| : include disabled items.
     // |include_terminated| : include terminated items.
     // |callback| : Called with items info.
     static void getItemsInfo(boolean include_disabled,
                              boolean include_terminated,
                              ItemsInfoCallback callback);
 
+    // Opens a permissions dialog for given |itemId|.
+    static void showPermissionsDialog(DOMString itemId,
+                                      optional VoidCallback callback);
+
     // Opens an inspect window for given |options|
     static void inspect(InspectOptions options,
                         optional VoidCallback callback);
 
     // Enable / Disable file access for a given |item_id|
     static void allowFileAccess(DOMString item_id,
                                 boolean allow,
                                 optional VoidCallback callback);
 
     // Reloads a given item with |itemId|.
@@ skipping 31 matching lines @@
                               long flags,
                               PackCallback callback);
 
     // Gets localized translated strings for apps_debugger. It returns the
     // strings as a dictionary mapping from string identifier to the
     // translated string to use in the apps_debugger app UI.
     static void getStrings(GetStringsCallback callback);
   };
 
 };