[Extensions] Make chrome://extensions use developerPrivate for packing crxs

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 {
     hosted_app,
     packaged_app,
     legacy_packaged_app,
     extension,
     theme
   };
 
-  dictionary ReloadOptions {

[Devlin, 2015/02/27 02:16:04]

ignore this (rebasing issue).

[Dan Beam, 2015/02/27 19:57:51]

fix before you CQ...

[Devlin, 2015/02/27 21:37:03]

Done.

-    boolean? failQuietly;
-  };
-
   dictionary ItemInspectView {
     // path to the inspect page.
     DOMString path;
 
     // For lazy background pages, the value is -1.
     long render_process_id;
 
     long render_view_id;
     boolean incognito;
     boolean generatedBackgroundPage;
@@ skipping 257 matching lines @@
     // Open the developer tools to focus on a particular error.
     static void openDevTools(OpenDevToolsProperties properties);
   };
 
   interface Events {
     // Fired when a item state is changed.
     static void onItemStateChanged(EventData response);
   };
 
 };