It seems 'deps' is similar to 'dependencies' for the ninja and make generators in GYP, but some generators does not support it. Better use the correct key. This was introduced in https://codereview.webrtc.org/1387243002/ TBR=phoglund@webrtc.org Review URL: https://codereview.webrtc.org/1386353003 . Cr-Commit-Position: refs/heads/master@{#10200}