cleanup: get rid of basicdefs.h include

cleanup: get rid of basicdefs.h include

The ARRAY_SIZE macro it defines is not used anymore, as all the usages
were converted to arraysize macro from arraysize.h.

BUG=None
R=tommi@webrtc.org

Committed: https://crrev.com/fa5d0dbd1e4de062d105b065fc2e40da47ef827a
Cr-Commit-Position: refs/heads/master@{#10640}

[tfarina, 2015-11-13 21:46:07]

PTAL.

[tommi, 2015-11-13 21:56:26]

The CQ bit was checked by tommi@webrtc.org

[tommi, 2015-11-13 21:56:26]

lgtm

[commit-bot: I haz the power, 2015-11-13 21:56:33]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1443273002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1443273002/1

[commit-bot: I haz the power, 2015-11-13 22:37:43]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-11-13 22:37:50]

Patchset 1 (id:??) landed as
https://crrev.com/fa5d0dbd1e4de062d105b065fc2e40da47ef827a
Cr-Commit-Position: refs/heads/master@{#10640}