Roll WebRTC 8989:8999, Libjingle 8990:8994

Roll WebRTC 8989:8999, Libjingle 8990:8994

WebRTC 8989:8999
Changes: https://chromium.googlesource.com/external/webrtc/trunk/webrtc.git/+log/5ffd4ec..b74b769

Libjingle 8990:8994
Changes: https://chromium.googlesource.com/external/webrtc/trunk/talk.git/+log/d872289..2a568fa

And remove some deleted files from build files.

TBR=
BUG=

Committed: https://crrev.com/e30f12803b16cd8d2b40a5d1d3e8ddb827a4db5e
Cr-Commit-Position: refs/heads/master@{#325203}

[pthatcher2, 2015-04-14 18:19:13]

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

[commit-bot: I haz the power, 2015-04-14 18:19:38]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1057653005/1

[commit-bot: I haz the power, 2015-04-14 18:19:40]

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

[commit-bot: I haz the power, 2015-04-14 18:19:40]

No LGTM from a valid reviewer yet. Only full committers are accepted.
Even if an LGTM may have been provided, it was from a non-committer,
_not_ a full super star committer.
See http://www.chromium.org/getting-involved/become-a-committer
Note that this has nothing to do with OWNERS files.

[pthatcher2, 2015-04-14 18:20:41]

pthatcher@chromium.org changed reviewers:
+ henrika@chromium.org, kjellander@chromium.org, niklase@chromium.org,
tommi@chromium.org

[henrika (OOO until Aug 14), 2015-04-15 07:17:07]

LGTM

[henrika (OOO until Aug 14), 2015-04-15 07:17:24]

The CQ bit was checked by henrika@chromium.org

[commit-bot: I haz the power, 2015-04-15 07:17:48]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1057653005/1

[henrika (OOO until Aug 14), 2015-04-15 07:20:27]

Landing this one as WebRTC-in-Chrome sheriff since I suspect it is required to
resolve FYI build issues
(https://build.chromium.org/p/chromium.webrtc.fyi/builders/Win%20Builder).

[commit-bot: I haz the power, 2015-04-15 07:21:36]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-04-15 07:22:25]

Patchset 1 (id:??) landed as
https://crrev.com/e30f12803b16cd8d2b40a5d1d3e8ddb827a4db5e
Cr-Commit-Position: refs/heads/master@{#325203}