[Extensions] Merge developerPrivate.enable and management.setEnabled functions

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 {
 
   enum ItemType {
@@ skipping 147 matching lines @@
                         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|.
     static void reload(DOMString itemId, optional VoidCallback callback);
 
-    // Enable / Disable a given item with id |itemId|.
-    static void enable(DOMString itemId,
-                       boolean enable,
-                       optional VoidCallback callback);
-
     // Allow / Disallow item with |item_id| in incognito mode.
     static void allowIncognito(DOMString item_id,
                                boolean allow,
                                VoidCallback callback);
 
     // Load a user selected unpacked item
     static void loadUnpacked(optional VoidCallback callback);
 
     // Loads an extension / app from a given |directory|
     static void loadDirectory([instanceOf=DirectoryEntry] object directory,
@@ skipping 52 matching lines @@
     // - columnNumber (optional): The column to focus the devtools at.
     static void openDevTools(any dict);
   };
 
   interface Events {
     // Fired when a item state is changed.
     static void onItemStateChanged(EventData response);
   };
 
 };