Store device salt callback instead of resource context in WebRTC Audio Private API

Store device salt callback instead of resource context in WebRTC Audio Private API

The resource context pointer was used only to get access to the device
ID salt callback. However, the resource context pointer can become dangling and cause
use-after-free issues.

BUG=572224
Committed: https://crrev.com/c4e893a3352c34e1a22ec6afad115887a69f576e
Cr-Commit-Position: refs/heads/master@{#375259}

[Guido Urdaneta, 2016-02-12 17:37:20]

The CQ bit was checked by guidou@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2016-02-12 17:37:40]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1692913003/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1692913003/1

[Guido Urdaneta, 2016-02-12 19:07:43]

guidou@chromium.org changed reviewers:
+ mek@chromium.org

[Guido Urdaneta, 2016-02-12 19:07:44]

Hi, PTAL

[commit-bot: I haz the power, 2016-02-12 19:18:24]

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

[commit-bot: I haz the power, 2016-02-12 19:18:24]

Dry run: This issue passed the CQ dry run.

[Marijn Kruisselbrink, 2016-02-12 19:18:52]

lgtm

[Guido Urdaneta, 2016-02-12 21:24:45]

The CQ bit was checked by guidou@chromium.org

[commit-bot: I haz the power, 2016-02-12 21:25:23]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1692913003/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1692913003/1

[commit-bot: I haz the power, 2016-02-12 21:30:37]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-02-16 22:45:14]

Description was changed from

==========
Store device salt callback instead of resource context in WebRTC Audio Private
API

The resource context pointer was used only to get access to the device
ID salt callback. However, the resource context pointer can become dangling and
cause
use-after-free issues.

BUG=572224
==========

to

==========
Store device salt callback instead of resource context in WebRTC Audio Private
API

The resource context pointer was used only to get access to the device
ID salt callback. However, the resource context pointer can become dangling and
cause
use-after-free issues.

BUG=572224

Committed: https://crrev.com/c4e893a3352c34e1a22ec6afad115887a69f576e
Cr-Commit-Position: refs/heads/master@{#375259}
==========

[commit-bot: I haz the power, 2016-02-16 22:45:15]

Patchset 1 (id:??) landed as
https://crrev.com/c4e893a3352c34e1a22ec6afad115887a69f576e
Cr-Commit-Position: refs/heads/master@{#375259}