Mirko Bonadei b7e1788466 Fixing other unsafe conversions.
The bot "Win (more_configs)" has spotted another unsafe type conversion.

This CL is a follow-up of:
- https://webrtc-review.googlesource.com/c/src/+/12921
- https://webrtc-review.googlesource.com/c/src/+/13122
- https://webrtc-review.googlesource.com/c/src/+/13622

Bug: chromium:759980
Change-Id: I9a4268e7ea938cc85376211b40767fd8465f37fd
No-Try: True
Reviewed-on: https://webrtc-review.googlesource.com/13623
Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org>
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#20381}
2017-10-23 07:59:39 +00:00
..
2017-10-23 07:59:39 +00:00