Move chrome.downloads out of experimental to dev

chrome/common/extensions/api/alarms.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.
 
-// File-level comment to appease parser. Eventually this will not be necessary.
-// TODO(mpcomplete): We need documentation before we can release this.
-
 namespace alarms {
   dictionary Alarm {
     // Name of this alarm.
     DOMString name;
 
     // Original length of time in minutes after which the onAlarm event should
     // fire.
     // TODO: need minimum=0
     double delayInMinutes;
 
@@ skipping 42 matching lines @@
     // Clears all alarms.
     static void clearAll();
   };
 
   interface Events {
     // Fired when an alarm has elapsed. Useful for transient background pages.
     // |alarm|: The alarm that has elapsed.
     static void onAlarm(Alarm alarm);
   };
 };