Remove implementation of CriticalSectionWrapper and use rtc::CriticalSection

Remove implementation of CriticalSectionWrapper and use rtc::CriticalSection
While transitioning over to rtc::CriticalSection completely, this gives perf benefits that rtc::CriticalSection has on Mac to current users of CriticalSectionWrapper.

BUG=

Committed: https://crrev.com/5447934728080aab01e1c0c521aa71e9891320e5
Cr-Commit-Position: refs/heads/master@{#11356}

[tommi, 2016-01-22 07:52:47]

tommi@webrtc.org changed reviewers:
+ pbos@webrtc.org

[tommi, 2016-01-22 07:52:56]

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

[commit-bot: I haz the power, 2016-01-22 07:53:06]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1614373002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1614373002/1

[commit-bot: I haz the power, 2016-01-22 07:54:45]

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

[commit-bot: I haz the power, 2016-01-22 07:54:45]

Dry run: Try jobs failed on following builders:
  ios32_sim_dbg on tryserver.webrtc (JOB_FAILED,
http://build.chromium.org/p/tryserver.webrtc/builders/ios32_sim_dbg/builds/4698)
  ios_arm64_dbg on tryserver.webrtc (JOB_FAILED,
http://build.chromium.org/p/tryserver.webrtc/builders/ios_arm64_dbg/builds/7017)
  ios_arm64_rel on tryserver.webrtc (JOB_FAILED,
http://build.chromium.org/p/tryserver.webrtc/builders/ios_arm64_rel/builds/6940)

[tommi, 2016-01-22 07:55:12]

Fix impl

[tommi, 2016-01-22 12:29:35]

tommi@webrtc.org changed reviewers:
+ torbjorng@webrtc.org
- pbos@webrtc.org

[torbjorng (webrtc), 2016-01-22 12:57:53]

lgtm

[tommi, 2016-01-22 13:07:05]

The CQ bit was checked by tommi@webrtc.org

[commit-bot: I haz the power, 2016-01-22 13:07:11]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1614373002/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1614373002/20001

[commit-bot: I haz the power, 2016-01-22 13:26:17]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2016-01-22 13:26:24]

Description was changed from

==========
Remove implementation of CriticalSectionWrapper and use rtc::CriticalSection
While transitioning over to rtc::CriticalSection completely, this gives perf
benefits that rtc::CriticalSection has on Mac to current users of
CriticalSectionWrapper.

BUG=
==========

to

==========
Remove implementation of CriticalSectionWrapper and use rtc::CriticalSection
While transitioning over to rtc::CriticalSection completely, this gives perf
benefits that rtc::CriticalSection has on Mac to current users of
CriticalSectionWrapper.

BUG=

Committed: https://crrev.com/5447934728080aab01e1c0c521aa71e9891320e5
Cr-Commit-Position: refs/heads/master@{#11356}
==========

[commit-bot: I haz the power, 2016-01-22 13:26:25]

Patchset 2 (id:??) landed as
https://crrev.com/5447934728080aab01e1c0c521aa71e9891320e5
Cr-Commit-Position: refs/heads/master@{#11356}

[pbos-webrtc, 2016-01-22 15:21:23]

pbos@webrtc.org changed reviewers:
+ pbos@webrtc.org

[pbos-webrtc, 2016-01-22 15:21:23]

lgtm