Remove a TODO that is no longer applicable.

Remove a TODO that is no longer applicable.

HKDF was added to the spec trunk:
https://github.com/w3c/webcrypto/commit/36bc6686c4cc630a91df3d9e9f38bfc9b8f0ce47

BUG=642045
Committed: https://crrev.com/17c48428872455bc141da64c38567a098f5098e9
Cr-Commit-Position: refs/heads/master@{#415344}

[eroman, 2016-08-30 01:42:26]

The CQ bit was checked by eroman@chromium.org to run a CQ dry run

[eroman, 2016-08-30 01:43:06]

eroman@chromium.org changed reviewers:
+ nharper@chromium.org

[commit-bot: I haz the power, 2016-08-30 02:48:58]

Dry run: 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, 2016-08-30 04:15:59]

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

[commit-bot: I haz the power, 2016-08-30 04:16:00]

Dry run: This issue passed the CQ dry run.

[nharper, 2016-08-30 17:41:32]

lgtm

[eroman, 2016-08-30 17:44:02]

The CQ bit was checked by eroman@chromium.org

[commit-bot: I haz the power, 2016-08-30 17:44:35]

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, 2016-08-30 17:50:13]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-08-30 17:51:48]

Description was changed from

==========
Remove a TODO that is no longer applicable.

HKDF was added to the spec trunk:
https://github.com/w3c/webcrypto/commit/36bc6686c4cc630a91df3d9e9f38bfc9b8f0ce47

BUG=642045
==========

to

==========
Remove a TODO that is no longer applicable.

HKDF was added to the spec trunk:
https://github.com/w3c/webcrypto/commit/36bc6686c4cc630a91df3d9e9f38bfc9b8f0ce47

BUG=642045

Committed: https://crrev.com/17c48428872455bc141da64c38567a098f5098e9
Cr-Commit-Position: refs/heads/master@{#415344}
==========

[commit-bot: I haz the power, 2016-08-30 17:51:49]

Patchset 1 (id:??) landed as
https://crrev.com/17c48428872455bc141da64c38567a098f5098e9
Cr-Commit-Position: refs/heads/master@{#415344}