Change structure of chromium owned dependencies file to JSON to
simplify work with it in different tools. Also add tool to check in
new chromium owned dep with single command like this:
./tools_webrtc/autoroller/checkin_chromium_dep.py -d <dep name>
Introduce separate file with list of webrtc owned dependencies.
Bug: webrtc:8366
Change-Id: I30a828af34cd105ce7e6bc76d6b5889e6bf7574d
Reviewed-on: https://webrtc-review.googlesource.com/76840
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Reviewed-by: Patrik Höglund <phoglund@webrtc.org>
Commit-Queue: Artem Titov <titovartem@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#23270}