[chrome.displaySource] Fix buffer overflow in elementary stream packetizer.

[chrome.displaySource] Fix buffer overflow in elementary stream packetizer.

PES packet header buffer in Wi-Fi Display elementary stream packetizer
did not contain space for stuffing bytes used for unit data alignment.
That resulted in stack-buffer-overflow.

BUG=242107
Committed: https://crrev.com/f130da124e3d4272f181bfdd30152c56da121702
Cr-Commit-Position: refs/heads/master@{#390026}

[e_hakkinen, 2016-04-26 18:31:48]

eero.hakkinen@intel.com changed reviewers:
+ alexander.shalamov@intel.com, asargent@chromium.org,
mikhail.pozdnyakov@intel.com

[e_hakkinen, 2016-04-26 18:31:48]

PTAL.

[Mikhail, 2016-04-26 18:34:02]

lgtm

[asargent_no_longer_on_chrome, 2016-04-26 19:09:38]

Doesn't look like there's anything specific I need to look at, and Mikhail is in
OWNERS for this code, so feel free to go ahead and submit.

[e_hakkinen, 2016-04-27 08:09:55]

The CQ bit was checked by eero.hakkinen@intel.com

[commit-bot: I haz the power, 2016-04-27 08:10:09]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1917253002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1917253002/1

[commit-bot: I haz the power, 2016-04-27 08:52:10]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-04-27 08:53:25]

Description was changed from

==========
[chrome.displaySource] Fix buffer overflow in elementary stream packetizer.

PES packet header buffer in Wi-Fi Display elementary stream packetizer
did not contain space for stuffing bytes used for unit data alignment.
That resulted in stack-buffer-overflow.

BUG=242107
==========

to

==========
[chrome.displaySource] Fix buffer overflow in elementary stream packetizer.

PES packet header buffer in Wi-Fi Display elementary stream packetizer
did not contain space for stuffing bytes used for unit data alignment.
That resulted in stack-buffer-overflow.

BUG=242107

Committed: https://crrev.com/f130da124e3d4272f181bfdd30152c56da121702
Cr-Commit-Position: refs/heads/master@{#390026}
==========

[commit-bot: I haz the power, 2016-04-27 08:53:26]

Patchset 1 (id:??) landed as
https://crrev.com/f130da124e3d4272f181bfdd30152c56da121702
Cr-Commit-Position: refs/heads/master@{#390026}