EME: Fix promise_test() to actually return a promise.

EME: Fix promise_test() to actually return a promise.

Latest testharness.js checks that promise_test() actually returns
something, so add missing return to the test.

BUG=662172
TEST=updated test still passes

Committed: https://crrev.com/239d2c25b718e99695655af2c39577dd86d605c6
Cr-Commit-Position: refs/heads/master@{#430029}

[jrummell, 2016-11-04 01:09:16]

jrummell@chromium.org changed reviewers:
+ ddorwin@chromium.org, xhwang@chromium.org

[jrummell, 2016-11-04 01:09:17]

Trivial fix, same as what was done for the W3C EME tests to use the latest
testharness.js.

[xhwang, 2016-11-04 02:44:19]

lgtm

[jrummell, 2016-11-04 16:56:55]

The CQ bit was checked by jrummell@chromium.org

[commit-bot: I haz the power, 2016-11-04 16:57:36]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-11-04 18:02:28]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2016-11-04 18:02:29]

Try jobs failed on following builders:
  win_chromium_rel_ng on master.tryserver.chromium.win (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.win/builders/win_chromium_rel_...)

[jrummell, 2016-11-04 20:41:47]

The CQ bit was checked by jrummell@chromium.org

[jrummell, 2016-11-04 20:41:47]

The patchset sent to the CQ was uploaded after l-g-t-m from xhwang@chromium.org
Link to the patchset: https://codereview.chromium.org/2470363004/#ps20001
(title: "remove expected.txt file")

[commit-bot: I haz the power, 2016-11-04 20:42:23]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-11-04 22:08:37]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2016-11-04 22:10:32]

Description was changed from

==========
EME: Fix promise_test() to actually return a promise.

Latest testharness.js checks that promise_test() actually returns
something, so add missing return to the test.

BUG=662172
TEST=updated test still passes
==========

to

==========
EME: Fix promise_test() to actually return a promise.

Latest testharness.js checks that promise_test() actually returns
something, so add missing return to the test.

BUG=662172
TEST=updated test still passes

Committed: https://crrev.com/239d2c25b718e99695655af2c39577dd86d605c6
Cr-Commit-Position: refs/heads/master@{#430029}
==========

[commit-bot: I haz the power, 2016-11-04 22:10:33]

Patchset 2 (id:??) landed as
https://crrev.com/239d2c25b718e99695655af2c39577dd86d605c6
Cr-Commit-Position: refs/heads/master@{#430029}