994ebb4702
This method isn't currently mocked or required by any test, so the safe thing is to return a reasonably large value from the implementation to avoid busy loops. BUG=webrtc:7187 TBR=mflodman@webrtc.org Review-Url: https://codereview.webrtc.org/2744233002 Cr-Commit-Position: refs/heads/master@{#17284}