Also gets rid of refs to bug 7504, which is now closed.
Bug: webrtc:7504
Change-Id: I105355a5372ad9c2ae8ef52ae275cb4037731c3d
Reviewed-on: https://webrtc-review.googlesource.com/34643
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
Commit-Queue: Patrik Höglund <phoglund@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#21366}