These contributes to circular dependency problems in WebRTC since one have to depend on webrtc.gyp in order to depend on a target in them. This reduces the number of cyclic dependencies in WebRTC from 21 to 16. BUG=webrtc:4243 NOTRY=True NOPRESUBMIT=True Review URL: https://codereview.webrtc.org/1839763004 Cr-Commit-Position: refs/heads/master@{#12166}