Alarm resolution changed to minutes and minimum delay added.

chrome/common/extensions/api/experimental.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 experimental.alarms {
   dictionary Alarm {
     // Name of this alarm.
     DOMString name;
 
-    // Original length of time in seconds after which the onAlarm event should
+    // Original length of time in minutes after which the onAlarm event should
     // fire.
     // TODO: need minimum=0
-    long delayInSeconds;
+    double delayInMinutes;
 
     // True if the alarm repeatedly fires at regular intervals, false if it
     // only fires once.
     boolean repeating;
   };
 
   // TODO(mpcomplete): rename to CreateInfo when http://crbug.com/123073 is
   // fixed.
   dictionary AlarmCreateInfo {
-    // Length of time in seconds after which the onAlarm event should fire.
+    // Length of time in minutes after which the onAlarm event should fire.
     // Note that granularity is not guaranteed: this value is more of a hint to
     // the browser. For performance reasons, alarms may be delayed an arbitrary
     // amount of time before firing.
     // TODO: need minimum=0
-    long delayInSeconds;
+    double delayInMinutes;
 
     // True if the alarm should repeatedly fire at regular intervals. Defaults
     // to false.
     boolean? repeating;
   };
 
   callback AlarmCallback = void (Alarm alarm);
   callback AlarmListCallback = void (Alarm[] alarms);
 
   interface Functions {
@@ skipping 18 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);
   };
 };