Adding YouCompleteMe config for WebRTC.
Adding YouCompleteMe config for WebRTC.

Mostly just copied from Chromium, replacing instances of "chromium" with
"webrtc".

BUG=None
NOTRY=True

Review-Url: https://codereview.webrtc.org/2725233002
Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#16988}

ShiftMediaProject/libilbc,ShiftMediaProject/libilbc,ShiftMediaProject/libilbc,ShiftMediaProject/libilbc,TimothyGu/libilbc,TimothyGu/libilbc,ShiftMediaProject/libilbc,TimothyGu/libilbc,TimothyGu/libilbc,TimothyGu/libilbc