Reland Fix crash parsing malformed rtp packet

Fix crash parsing malformed rtp packet
where header extesnsion size mismatch expected.

Reland of https://codereview.webrtc.org/2067793003/

BUG=chromium:620242
R=åsapersson

Committed: https://crrev.com/07ec26d1a9b697094fc8f92ec749d89d60ddea0f
Cr-Commit-Position: refs/heads/master@{#13187}

[danilchap, 2016-06-16 17:20:30]

Description was changed from

==========
Reland Fix crash parsing malformed rtp packet
where header extesnsion size mismatch expected.

Reland of https://codereview.webrtc.org/2067793003/

BUG=chromium:620242
TBR=åsapersson
==========

to

==========
Fix crash parsing malformed rtp packet
where header extesnsion size mismatch expected.

Reland of https://codereview.webrtc.org/2067793003/

BUG=chromium:620242
R=åsapersson
==========

[danilchap, 2016-06-17 09:31:29]

rtp_packet.cc change is exactly the same,
in unittest had to move constexpr uint_8 packet[] from the test into global
unnamed namespace to avoid crashing windows compiler

[åsapersson, 2016-06-17 09:54:20]

lgtm

[danilchap, 2016-06-17 11:17:35]

The CQ bit was checked by danilchap@webrtc.org

[commit-bot: I haz the power, 2016-06-17 11:17:41]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/2060943009/20001

[commit-bot: I haz the power, 2016-06-17 11:18:57]

Description was changed from

==========
Fix crash parsing malformed rtp packet
where header extesnsion size mismatch expected.

Reland of https://codereview.webrtc.org/2067793003/

BUG=chromium:620242
R=åsapersson
==========

to

==========
Fix crash parsing malformed rtp packet
where header extesnsion size mismatch expected.

Reland of https://codereview.webrtc.org/2067793003/

BUG=chromium:620242
R=åsapersson
==========

[commit-bot: I haz the power, 2016-06-17 11:18:58]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2016-06-17 11:19:00]

Description was changed from

==========
Fix crash parsing malformed rtp packet
where header extesnsion size mismatch expected.

Reland of https://codereview.webrtc.org/2067793003/

BUG=chromium:620242
R=åsapersson
==========

to

==========
Fix crash parsing malformed rtp packet
where header extesnsion size mismatch expected.

Reland of https://codereview.webrtc.org/2067793003/

BUG=chromium:620242
R=åsapersson

Committed: https://crrev.com/07ec26d1a9b697094fc8f92ec749d89d60ddea0f
Cr-Commit-Position: refs/heads/master@{#13187}
==========

[commit-bot: I haz the power, 2016-06-17 11:19:01]

Patchset 2 (id:??) landed as
https://crrev.com/07ec26d1a9b697094fc8f92ec749d89d60ddea0f
Cr-Commit-Position: refs/heads/master@{#13187}