Revert of Remove ignored return code from modules.

Revert of Remove ignored return code from modules. (patchset #3 id:40001 of https://codereview.webrtc.org/1703833002/ )

Reason for revert:
Breaks Chromium.

Original issue's description:
> Remove ignored return code from modules.
>
> ModuleProcessImpl doesn't act on return codes and having them around is
> confusing (it's unclear what an error return code here would do even).
>
> BUG=
> R=tommi@webrtc.org
>
> Committed: https://chromium.googlesource.com/external/webrtc/+/f14c47a58cb2a333cb9b11aef593f0e632fdb28a

TBR=tommi@webrtc.org,pbos@webrtc.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=

Committed: https://crrev.com/da33a8a2a22f6d19ba2a8cce963beafbdbaa8fd8
Cr-Commit-Position: refs/heads/master@{#11761}

[torbjorng (webrtc), 2016-02-25 12:33:33]

Created Revert of Remove ignored return code from modules.

[commit-bot: I haz the power, 2016-02-25 12:33:44]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1736663004/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1736663004/1

[commit-bot: I haz the power, 2016-02-25 12:34:09]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-02-25 12:34:15]

Description was changed from

==========
Revert of Remove ignored return code from modules. (patchset #3 id:40001 of
https://codereview.webrtc.org/1703833002/ )

Reason for revert:
Breaks Chromium.

Original issue's description:
> Remove ignored return code from modules.
> 
> ModuleProcessImpl doesn't act on return codes and having them around is
> confusing (it's unclear what an error return code here would do even).
> 
> BUG=
> R=tommi@webrtc.org
> 
> Committed:
https://chromium.googlesource.com/external/webrtc/+/f14c47a58cb2a333cb9b11aef...

TBR=tommi@webrtc.org,pbos@webrtc.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=
==========

to

==========
Revert of Remove ignored return code from modules. (patchset #3 id:40001 of
https://codereview.webrtc.org/1703833002/ )

Reason for revert:
Breaks Chromium.

Original issue's description:
> Remove ignored return code from modules.
>
> ModuleProcessImpl doesn't act on return codes and having them around is
> confusing (it's unclear what an error return code here would do even).
>
> BUG=
> R=tommi@webrtc.org
>
> Committed:
https://chromium.googlesource.com/external/webrtc/+/f14c47a58cb2a333cb9b11aef...

TBR=tommi@webrtc.org,pbos@webrtc.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=

Committed: https://crrev.com/da33a8a2a22f6d19ba2a8cce963beafbdbaa8fd8
Cr-Commit-Position: refs/heads/master@{#11761}
==========

[commit-bot: I haz the power, 2016-02-25 12:34:16]

Patchset 1 (id:??) landed as
https://crrev.com/da33a8a2a22f6d19ba2a8cce963beafbdbaa8fd8
Cr-Commit-Position: refs/heads/master@{#11761}

[pbos-webrtc, 2016-02-25 12:49:42]

A revert of this CL (patchset #1 id:1) has been created in
https://codereview.webrtc.org/1737013002/ by pbos@webrtc.org.

The reason for reverting is: Revert breaks other uses, a fix will be rolled into
Chromium instead..