This is related to https://codereview.webrtc.org/2072753002/ and its eventual revert. That change required changes in chromium's build files to not break it. Those build changes cannot be made before these new files are available. TBR=tommi@webrtc.org Review-Url: https://codereview.webrtc.org/2145973003 Cr-Commit-Position: refs/heads/master@{#13466}