| OLD | NEW | 
|   1 EVENT(message) |   1 EVENT(message) | 
|   2 EVENT(keystatuseschange) |   2 EVENT(keystatuseschange) | 
|   3 for (var entry of keyStatuses) |   3 for (var entry of keyStatuses) | 
|   4 123, usable |   4 123, usable | 
|   5 4567890, usable |   5 4567890, usable | 
|   6 for (var key of keyStatuses.keys()) |   6 for (var key of keyStatuses.keys()) | 
|   7 123 |   7 123 | 
|   8 4567890 |   8 4567890 | 
|   9 for (var value of keyStatuses.values()) |   9 for (var value of keyStatuses.values()) | 
|  10 usable |  10 usable | 
|  11 usable |  11 usable | 
|  12 for (var entry of keyStatuses.entries()) |  12 for (var entry of keyStatuses.entries()) | 
|  13 123, usable |  13 123, usable | 
|  14 4567890, usable |  14 4567890, usable | 
 |  15 keyStatuses.forEach() | 
 |  16 123, usable | 
 |  17 4567890, usable | 
|  15 This is a testharness.js-based test. |  18 This is a testharness.js-based test. | 
|  16 PASS Verify MediaKeySession.keyStatuses.  |  19 PASS Verify MediaKeySession.keyStatuses.  | 
|  17 Harness: the test ran to completion. |  20 Harness: the test ran to completion. | 
|  18  |  21  | 
| OLD | NEW |