These methods are platform specific and give access to member variables from an unknown thread context (no thread check, no lock). Since these methods aren't being used, it simplifies a minor refactoring project to simply delete them. TBR=brandtr@webrtc.org Bug: webrtc:8596 Change-Id: I85424820d171805dcc3d74317f0e51965402052a Reviewed-on: https://webrtc-review.googlesource.com/28281 Reviewed-by: Tommi <tommi@webrtc.org> Commit-Queue: Tommi <tommi@webrtc.org> Cr-Commit-Position: refs/heads/master@{#20983}