Make safe_cmp::* constexpr

Make safe_cmp::* constexpr

Because it's easy and generally useful, and because a later CL in this
series needs it.

BUG=webrtc:7459
Review-Url: https://codereview.webrtc.org/2808603002
Cr-Commit-Position: refs/heads/master@{#17633}
Committed: https://chromium.googlesource.com/external/webrtc/+/0d4e068d0a79d3ecd938f2de7aa41fb51a1ff084

[kwiberg-webrtc, 2017-04-08 12:11:29]

The CQ bit was checked by kwiberg@webrtc.org to run a CQ dry run

[commit-bot: I haz the power, 2017-04-08 12:11:32]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.webrtc.org/...

[commit-bot: I haz the power, 2017-04-08 12:14:02]

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

[commit-bot: I haz the power, 2017-04-08 12:14:03]

Dry run: Try jobs failed on following builders:
  linux_asan on master.tryserver.webrtc (JOB_FAILED,
http://build.chromium.org/p/tryserver.webrtc/builders/linux_asan/builds/23813)

[kwiberg-webrtc, 2017-04-08 12:14:36]

The CQ bit was checked by kwiberg@webrtc.org to run a CQ dry run

[commit-bot: I haz the power, 2017-04-08 12:14:44]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.webrtc.org/...

[kwiberg-webrtc, 2017-04-08 12:15:42]

Patchset #1 (id:1) has been deleted

[kwiberg-webrtc, 2017-04-08 12:16:08]

kwiberg@webrtc.org changed reviewers:
+ ossu@webrtc.org

[commit-bot: I haz the power, 2017-04-08 14:15:17]

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

[commit-bot: I haz the power, 2017-04-08 14:15:18]

Dry run: Try jobs failed on following builders:
  linux_baremetal on master.tryserver.webrtc (JOB_TIMED_OUT, build hasn't
started yet, builder probably lacks capacity)
  mac_baremetal on master.tryserver.webrtc (JOB_TIMED_OUT, build hasn't started
yet, builder probably lacks capacity)
  win_baremetal on master.tryserver.webrtc (JOB_TIMED_OUT, build hasn't started
yet, builder probably lacks capacity)

[ossu, 2017-04-10 11:37:36]

lgtm

[kwiberg-webrtc, 2017-04-10 19:53:53]

The CQ bit was checked by kwiberg@webrtc.org

[commit-bot: I haz the power, 2017-04-10 19:53:59]

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

[commit-bot: I haz the power, 2017-04-10 21:54:31]

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

[commit-bot: I haz the power, 2017-04-10 21:54:31]

Try jobs failed on following builders:
  win_baremetal on master.tryserver.webrtc (JOB_TIMED_OUT, build hasn't started
yet, builder probably lacks capacity)

[kwiberg-webrtc, 2017-04-11 05:41:01]

The CQ bit was checked by kwiberg@webrtc.org

[commit-bot: I haz the power, 2017-04-11 05:41:04]

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

[commit-bot: I haz the power, 2017-04-11 05:44:07]

CQ is committing da patch.

Bot data: {"patchset_id": 20001, "attempt_start_ts": 1491889261625290,
"parent_rev": "d491109d2d92a54d5afe252118720e6f9bcd00ba", "commit_rev":
"0d4e068d0a79d3ecd938f2de7aa41fb51a1ff084"}

[commit-bot: I haz the power, 2017-04-11 05:44:11]

Description was changed from

==========
Make safe_cmp::* constexpr

Because it's easy and generally useful, and because a later CL in this
series needs it.

BUG=webrtc:7459
==========

to

==========
Make safe_cmp::* constexpr

Because it's easy and generally useful, and because a later CL in this
series needs it.

BUG=webrtc:7459

Review-Url: https://codereview.webrtc.org/2808603002
Cr-Commit-Position: refs/heads/master@{#17633}
Committed:
https://chromium.googlesource.com/external/webrtc/+/0d4e068d0a79d3ecd938f2de7...
==========

[commit-bot: I haz the power, 2017-04-11 05:44:12]

Committed patchset #1 (id:20001) as
https://chromium.googlesource.com/external/webrtc/+/0d4e068d0a79d3ecd938f2de7...