Reland of refactor timing frame logic to work with encoders with internal sources

Reland of Refactor timing frame logic to work with encoders with internal sources (patchset #1 id:1 of https://codereview.webrtc.org/2980533002/ )

BUG=webrtc:7594, webrtc:7893
Review-Url: https://codereview.webrtc.org/2974893002
Cr-Commit-Position: refs/heads/master@{#18974}
Committed: https://chromium.googlesource.com/external/webrtc/+/29d0840b5c79df20fab70e5552f1bceb43a8bddb

[ilnik, 2017-07-11 07:55:33]

Created Reland of actor timing frame logic to work with encoders with internal
sources

[ilnik, 2017-07-11 07:56:22]

Description was changed from

==========
Reland of actor timing frame logic to work with encoders with internal sources
(patchset #1 id:1 of https://codereview.webrtc.org/2980533002/ )

Reason for revert:
Reland with fixes.

Original issue's description:
> Revert of Refactor timing frame logic to work with encoders with internal
sources (patchset #2 id:20001 of https://codereview.webrtc.org/2968153002/ )
> 
> Reason for revert:
> Failing chromoting tests
> 
> Original issue's description:
> > Refactor timing frame logic to work with encoders with internal sources
> > 
> > BUG=webrtc:7594,webrtc:7893
> > 
> > Review-Url: https://codereview.webrtc.org/2968153002
> > Cr-Commit-Position: refs/heads/master@{#18955}
> > Committed:
https://chromium.googlesource.com/external/webrtc/+/a7a4535a35e2fccfab06c79d8...
> 
> TBR=sprang@webrtc.org
> # Skipping CQ checks because original CL landed less than 1 days ago.
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=webrtc:7594,webrtc:7893
> 
> Review-Url: https://codereview.webrtc.org/2980533002
> Cr-Commit-Position: refs/heads/master@{#18957}
> Committed:
https://chromium.googlesource.com/external/webrtc/+/0b1e2f327912806a3f070ce72...

TBR=sprang@webrtc.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=webrtc:7594,webrtc:7893
==========

to

==========
Reland of Refactor timing frame logic to work with encoders with internal
sources (patchset #1 id:1 of https://codereview.webrtc.org/2980533002/ )

TBR=sprang@webrtc.org
BUG=webrtc:7594,webrtc:7893
==========

[ilnik, 2017-07-11 07:56:22]

ilnik@webrtc.org changed reviewers:
- sprang@webrtc.org

[ilnik, 2017-07-11 13:48:55]

Patchset #5 (id:100001) has been deleted

[ilnik, 2017-07-11 13:51:16]

ilnik@webrtc.org changed reviewers:
+ sprang@webrtc.org

[ilnik, 2017-07-11 13:51:16]

Please see only on a diff between the last and the first patchsets. Now, timing
frames will not be sent for encoders with internal sources, as before, but code
is greatly simplified and refactored comparing to ToT.

[ilnik, 2017-07-11 13:52:18]

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

[commit-bot: I haz the power, 2017-07-11 13:52:21]

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, 2017-07-11 14:16:12]

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

[commit-bot: I haz the power, 2017-07-11 14:16:13]

Dry run: This issue passed the CQ dry run.

[sprang_webrtc, 2017-07-11 14:27:55]

lgtm

Also, please don't use TBR unless the reland change is trivial (eg rebase).

[ilnik, 2017-07-11 15:04:06]

Description was changed from

==========
Reland of Refactor timing frame logic to work with encoders with internal
sources (patchset #1 id:1 of https://codereview.webrtc.org/2980533002/ )

TBR=sprang@webrtc.org
BUG=webrtc:7594,webrtc:7893
==========

to

==========
Reland of Refactor timing frame logic to work with encoders with internal
sources (patchset #1 id:1 of https://codereview.webrtc.org/2980533002/ )

BUG=webrtc:7594,webrtc:7893
==========

[ilnik, 2017-07-11 15:04:28]

The CQ bit was checked by ilnik@webrtc.org

[commit-bot: I haz the power, 2017-07-11 15:04:30]

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, 2017-07-11 15:08:13]

CQ is committing da patch.

Bot data: {"patchset_id": 80001, "attempt_start_ts": 1499785468269090,
"parent_rev": "2fbd7719b0bb33ba8514f34999ca32cc74e3d159", "commit_rev":
"29d0840b5c79df20fab70e5552f1bceb43a8bddb"}

[commit-bot: I haz the power, 2017-07-11 15:08:16]

Description was changed from

==========
Reland of Refactor timing frame logic to work with encoders with internal
sources (patchset #1 id:1 of https://codereview.webrtc.org/2980533002/ )

BUG=webrtc:7594,webrtc:7893
==========

to

==========
Reland of Refactor timing frame logic to work with encoders with internal
sources (patchset #1 id:1 of https://codereview.webrtc.org/2980533002/ )

BUG=webrtc:7594,webrtc:7893

Review-Url: https://codereview.webrtc.org/2974893002
Cr-Commit-Position: refs/heads/master@{#18974}
Committed:
https://chromium.googlesource.com/external/webrtc/+/29d0840b5c79df20fab70e555...
==========

[commit-bot: I haz the power, 2017-07-11 15:08:18]

Committed patchset #4 (id:80001) as
https://chromium.googlesource.com/external/webrtc/+/29d0840b5c79df20fab70e555...