Add arraysize to overrides to avoid macros redefinitions in Chromium

This fixes the Webrtc in Chrome FYI bots breaking.

TBR=ajm

Review URL: https://webrtc-codereview.appspot.com/36149004

Cr-Commit-Position: refs/heads/master@{#8371}
git-svn-id: http://webrtc.googlecode.com/svn/trunk@8371 4adac7df-926f-26a2-2b94-8c16560cd09d
1 file changed