Reland of Make rtcp parsing implementation private in RtcpReceiver

Reland of Make rtcp parsing implementation private in RtcpReceiver (patchset #1 id:1 of https://codereview.webrtc.org/2332673003/ )

Reason for revert:
Fuzzer changed not use functions moved to private.

Original issue's description:
> Revert of Make rtcp parsing implementation private in RtcpReceiver (patchset #1 id:1 of https://codereview.webrtc.org/2320603002/ )
>
> Reason for revert:
> Breaks fuzzer compilation.
>
> Original issue's description:
> > Make rtcp parsing implementation private in RtcpReceiver:
> > Function just for Parse and for Callbacks moved to private section.
> > All handles moved from protected to private section.
> >
> > BUG=webrtc:5260
> > R=sprang@webrtc.org
> >
> > Committed: https://crrev.com/faf708e238c7b43a732fbebf79ac9298b4b95a95
> > Cr-Commit-Position: refs/heads/master@{#14181}
>
> TBR=sprang@webrtc.org
> # Skipping CQ checks because original CL landed less than 1 days ago.
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=webrtc:5260
>
> Committed: https://crrev.com/180e4525ca7c9a23602cdf37a8756df7d23e7143
> Cr-Commit-Position: refs/heads/master@{#14182}

TBR=sprang@webrtc.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=webrtc:5260
Committed: https://crrev.com/dd12892ede7139f17355ec4e3a64b3382fcd6f28
Cr-Commit-Position: refs/heads/master@{#14200}

[danilchap, 2016-09-13 10:43:37]

The CQ bit was checked by danilchap@webrtc.org

[danilchap, 2016-09-13 10:43:37]

Created Reland of Make rtcp parsing implementation private in RtcpReceiver

[commit-bot: I haz the power, 2016-09-13 10:43:44]

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, 2016-09-13 12:44:13]

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

[commit-bot: I haz the power, 2016-09-13 12:44:14]

Try jobs failed on following builders:
  android_arm64_rel on master.tryserver.webrtc (JOB_TIMED_OUT, no build URL)
  android_dbg on master.tryserver.webrtc (JOB_TIMED_OUT, no build URL)
  android_rel on master.tryserver.webrtc (JOB_TIMED_OUT, no build URL)

[danilchap, 2016-09-13 19:15:27]

The CQ bit was checked by danilchap@webrtc.org

[commit-bot: I haz the power, 2016-09-13 19:15:37]

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, 2016-09-13 19:23:33]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-09-13 19:23:37]

Description was changed from

==========
Reland of Make rtcp parsing implementation private in RtcpReceiver (patchset #1
id:1 of https://codereview.webrtc.org/2332673003/ )

Reason for revert:
Fuzzer changed not use functions moved to private.

Original issue's description:
> Revert of Make rtcp parsing implementation private in RtcpReceiver (patchset
#1 id:1 of https://codereview.webrtc.org/2320603002/ )
> 
> Reason for revert:
> Breaks fuzzer compilation.
> 
> Original issue's description:
> > Make rtcp parsing implementation private in RtcpReceiver:
> > Function just for Parse and for Callbacks moved to private section.
> > All handles moved from protected to private section.
> >
> > BUG=webrtc:5260
> > R=sprang@webrtc.org
> >
> > Committed: https://crrev.com/faf708e238c7b43a732fbebf79ac9298b4b95a95
> > Cr-Commit-Position: refs/heads/master@{#14181}
> 
> TBR=sprang@webrtc.org
> # Skipping CQ checks because original CL landed less than 1 days ago.
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=webrtc:5260
> 
> Committed: https://crrev.com/180e4525ca7c9a23602cdf37a8756df7d23e7143
> Cr-Commit-Position: refs/heads/master@{#14182}

TBR=sprang@webrtc.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=webrtc:5260
==========

to

==========
Reland of Make rtcp parsing implementation private in RtcpReceiver (patchset #1
id:1 of https://codereview.webrtc.org/2332673003/ )

Reason for revert:
Fuzzer changed not use functions moved to private.

Original issue's description:
> Revert of Make rtcp parsing implementation private in RtcpReceiver (patchset
#1 id:1 of https://codereview.webrtc.org/2320603002/ )
>
> Reason for revert:
> Breaks fuzzer compilation.
>
> Original issue's description:
> > Make rtcp parsing implementation private in RtcpReceiver:
> > Function just for Parse and for Callbacks moved to private section.
> > All handles moved from protected to private section.
> >
> > BUG=webrtc:5260
> > R=sprang@webrtc.org
> >
> > Committed: https://crrev.com/faf708e238c7b43a732fbebf79ac9298b4b95a95
> > Cr-Commit-Position: refs/heads/master@{#14181}
>
> TBR=sprang@webrtc.org
> # Skipping CQ checks because original CL landed less than 1 days ago.
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=webrtc:5260
>
> Committed: https://crrev.com/180e4525ca7c9a23602cdf37a8756df7d23e7143
> Cr-Commit-Position: refs/heads/master@{#14182}

TBR=sprang@webrtc.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=webrtc:5260

Committed: https://crrev.com/dd12892ede7139f17355ec4e3a64b3382fcd6f28
Cr-Commit-Position: refs/heads/master@{#14200}
==========

[commit-bot: I haz the power, 2016-09-13 19:23:39]

Patchset 1 (id:??) landed as
https://crrev.com/dd12892ede7139f17355ec4e3a64b3382fcd6f28
Cr-Commit-Position: refs/heads/master@{#14200}