Run clang-format on sigslot.h.

Run clang-format on sigslot.h.

It's diverged enough from the original version that we no longer
benefit from keeping the old formatting.

BUG=NONE

Review-Url: https://codereview.webrtc.org/2854533002
Cr-Commit-Position: refs/heads/master@{#18129}
Committed: https://chromium.googlesource.com/external/webrtc/+/d0ffa8615d9f0aa5d5e3d17e5cab6ebdddc21846

[Taylor Brandstetter, 2017-04-29 08:53:05]

deadbeef@webrtc.org changed reviewers:
+ pthatcher@webrtc.org

[Taylor Brandstetter, 2017-04-29 08:53:06]

PTAL

[pthatcher1, 2017-05-01 23:47:33]

lgtm

[Taylor Brandstetter, 2017-05-13 05:28:41]

The CQ bit was checked by deadbeef@webrtc.org

[Taylor Brandstetter, 2017-05-13 05:28:41]

The patchset sent to the CQ was uploaded after l-g-t-m from pthatcher@webrtc.org
Link to the patchset: https://codereview.webrtc.org/2854533002/#ps20001 (title:
"Merge with master")

[commit-bot: I haz the power, 2017-05-13 05:28:50]

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, 2017-05-13 05:52:51]

CQ is committing da patch.

Bot data: {"patchset_id": 20001, "attempt_start_ts": 1494653321313720,
"parent_rev": "634e4055a28a0e214c5dd5e9e8d1dd64fb3e7187", "commit_rev":
"d0ffa8615d9f0aa5d5e3d17e5cab6ebdddc21846"}

[commit-bot: I haz the power, 2017-05-13 05:52:55]

Description was changed from

==========
Run clang-format on sigslot.h.

It's diverged enough from the original version that we no longer
benefit from keeping the old formatting.

BUG=NONE
==========

to

==========
Run clang-format on sigslot.h.

It's diverged enough from the original version that we no longer
benefit from keeping the old formatting.

BUG=NONE

Review-Url: https://codereview.webrtc.org/2854533002
Cr-Commit-Position: refs/heads/master@{#18129}
Committed:
https://chromium.googlesource.com/external/webrtc/+/d0ffa8615d9f0aa5d5e3d17e5...
==========

[commit-bot: I haz the power, 2017-05-13 05:52:56]

Committed patchset #2 (id:20001) as
https://chromium.googlesource.com/external/webrtc/+/d0ffa8615d9f0aa5d5e3d17e5...