Reland of Add content type information to encoded images and corresponding rtp extension header

Reland of Add content type information to encoded images and corresponding rtp extension header (patchset #1 id:1 of https://codereview.webrtc.org/2816463002/ )

Reason for revert:
Reland with appropriate changes to API to not break depending projects.

Original issue's description:
> Revert of Add content type information to encoded images and corresponding rtp extension header (patchset #31 id:600001 of https://codereview.webrtc.org/2772033002/ )
> 
> Reason for revert:
> Breaks dependent projects.
> 
> Original issue's description:
> > Add content type information to Encoded Images and add corresponding RTP extension header.
> > Use it to separate UMA e2e delay metric between screenshare from video.
> > Content type extension is set based on encoder settings and processed and decoders.
> > 
> > Also,
> > Fix full-stack-tests to calculate RTT correctly, so new metric could be tested.
> > 
> > BUG=webrtc:7420
> > 
> > Review-Url: https://codereview.webrtc.org/2772033002
> > Cr-Commit-Position: refs/heads/master@{#17640}
> > Committed: https://chromium.googlesource.com/external/webrtc/+/64e739aeae5629cbbebf2a19e1d3e6b452bb6d0b
> 
> TBR=tommi@webrtc.org,sprang@webrtc.org,stefan@webrtc.org,nisse@webrtc.org,mflodman@webrtc.org
> # Skipping CQ checks because original CL landed less than 1 days ago.
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=webrtc:7420
> 
> Review-Url: https://codereview.webrtc.org/2816463002
> Cr-Commit-Position: refs/heads/master@{#17644}
> Committed: https://chromium.googlesource.com/external/webrtc/+/57218668083fce36a55efb8c8f1d31785253b8c0

TBR=tommi@webrtc.org,sprang@webrtc.org,stefan@webrtc.org,nisse@webrtc.org,mflodman@webrtc.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=webrtc:7420
Review-Url: https://codereview.webrtc.org/2812913002
Cr-Commit-Position: refs/heads/master@{#17651}
Committed: https://chromium.googlesource.com/external/webrtc/+/774f6b4b968b46d6bd95c42eec0ce3202b47f0b2

[ilnik, 2017-04-11 11:21:16]

Created Reland of Add content type information to encoded images and
corresponding rtp extension header

[ilnik, 2017-04-11 12:11:26]

Patchset #4 (id:340001) has been deleted

[ilnik, 2017-04-11 12:11:34]

Patchset #3 (id:320001) has been deleted

[ilnik, 2017-04-11 12:11:44]

Patchset #2 (id:300001) has been deleted

[tommi, 2017-04-11 12:39:21]

lgtm

https://codereview.webrtc.org/2812913002/diff/380001/webrtc/modules/video_cod...
File webrtc/modules/video_coding/include/video_coding_defines.h (right):

https://codereview.webrtc.org/2812913002/diff/380001/webrtc/modules/video_cod...
webrtc/modules/video_coding/include/video_coding_defines.h:72:
rtc::Optional<uint8_t> qp) {
fix indent

[ilnik, 2017-04-11 13:03:29]

https://codereview.webrtc.org/2812913002/diff/380001/webrtc/modules/video_cod...
File webrtc/modules/video_coding/include/video_coding_defines.h (right):

https://codereview.webrtc.org/2812913002/diff/380001/webrtc/modules/video_cod...
webrtc/modules/video_coding/include/video_coding_defines.h:72:
rtc::Optional<uint8_t> qp) {
On 2017/04/11 12:39:21, tommi ooo (webrtc) wrote:
> fix indent

Done.

[ilnik, 2017-04-11 13:12:22]

The CQ bit was checked by ilnik@webrtc.org

[ilnik, 2017-04-11 13:12:23]

The patchset sent to the CQ was uploaded after l-g-t-m from tommi@webrtc.org
Link to the patchset: https://codereview.webrtc.org/2812913002/#ps400001 (title:
"Fix indent")

[commit-bot: I haz the power, 2017-04-11 13:12:25]

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 13:12:40]

CQ is committing da patch.

Bot data: {"patchset_id": 400001, "attempt_start_ts": 1491916342895120,
"parent_rev": "268862c5e418e5c05e8f10d6338dc89f14d282d1", "commit_rev":
"774f6b4b968b46d6bd95c42eec0ce3202b47f0b2"}

[commit-bot: I haz the power, 2017-04-11 13:12:47]

Description was changed from

==========
Reland of Add content type information to encoded images and corresponding rtp
extension header (patchset #1 id:1 of https://codereview.webrtc.org/2816463002/
)

Reason for revert:
Reland with appropriate changes to API to not break depending projects.

Original issue's description:
> Revert of Add content type information to encoded images and corresponding rtp
extension header (patchset #31 id:600001 of
https://codereview.webrtc.org/2772033002/ )
> 
> Reason for revert:
> Breaks dependent projects.
> 
> Original issue's description:
> > Add content type information to Encoded Images and add corresponding RTP
extension header.
> > Use it to separate UMA e2e delay metric between screenshare from video.
> > Content type extension is set based on encoder settings and processed and
decoders.
> > 
> > Also,
> > Fix full-stack-tests to calculate RTT correctly, so new metric could be
tested.
> > 
> > BUG=webrtc:7420
> > 
> > Review-Url: https://codereview.webrtc.org/2772033002
> > Cr-Commit-Position: refs/heads/master@{#17640}
> > Committed:
https://chromium.googlesource.com/external/webrtc/+/64e739aeae5629cbbebf2a19e...
> 
>
TBR=tommi@webrtc.org,sprang@webrtc.org,stefan@webrtc.org,nisse@webrtc.org,mfl...
> # Skipping CQ checks because original CL landed less than 1 days ago.
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=webrtc:7420
> 
> Review-Url: https://codereview.webrtc.org/2816463002
> Cr-Commit-Position: refs/heads/master@{#17644}
> Committed:
https://chromium.googlesource.com/external/webrtc/+/57218668083fce36a55efb8c8...

TBR=tommi@webrtc.org,sprang@webrtc.org,stefan@webrtc.org,nisse@webrtc.org,mfl...
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=webrtc:7420
==========

to

==========
Reland of Add content type information to encoded images and corresponding rtp
extension header (patchset #1 id:1 of https://codereview.webrtc.org/2816463002/
)

Reason for revert:
Reland with appropriate changes to API to not break depending projects.

Original issue's description:
> Revert of Add content type information to encoded images and corresponding rtp
extension header (patchset #31 id:600001 of
https://codereview.webrtc.org/2772033002/ )
> 
> Reason for revert:
> Breaks dependent projects.
> 
> Original issue's description:
> > Add content type information to Encoded Images and add corresponding RTP
extension header.
> > Use it to separate UMA e2e delay metric between screenshare from video.
> > Content type extension is set based on encoder settings and processed and
decoders.
> > 
> > Also,
> > Fix full-stack-tests to calculate RTT correctly, so new metric could be
tested.
> > 
> > BUG=webrtc:7420
> > 
> > Review-Url: https://codereview.webrtc.org/2772033002
> > Cr-Commit-Position: refs/heads/master@{#17640}
> > Committed:
https://chromium.googlesource.com/external/webrtc/+/64e739aeae5629cbbebf2a19e...
> 
>
TBR=tommi@webrtc.org,sprang@webrtc.org,stefan@webrtc.org,nisse@webrtc.org,mfl...
> # Skipping CQ checks because original CL landed less than 1 days ago.
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=webrtc:7420
> 
> Review-Url: https://codereview.webrtc.org/2816463002
> Cr-Commit-Position: refs/heads/master@{#17644}
> Committed:
https://chromium.googlesource.com/external/webrtc/+/57218668083fce36a55efb8c8...

TBR=tommi@webrtc.org,sprang@webrtc.org,stefan@webrtc.org,nisse@webrtc.org,mfl...
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=webrtc:7420

Review-Url: https://codereview.webrtc.org/2812913002
Cr-Commit-Position: refs/heads/master@{#17651}
Committed:
https://chromium.googlesource.com/external/webrtc/+/774f6b4b968b46d6bd95c42ee...
==========

[commit-bot: I haz the power, 2017-04-11 13:12:49]

Committed patchset #4 (id:400001) as
https://chromium.googlesource.com/external/webrtc/+/774f6b4b968b46d6bd95c42ee...

[ilnik, 2017-04-11 13:19:38]

A revert of this CL (patchset #4 id:400001) has been created in
https://codereview.webrtc.org/2809653004/ by ilnik@webrtc.org.

The reason for reverting is: Breaks android buildbots..