Reason for revert: Relanding as downstream has been fixed. Original issue's description: > Revert of Delete unused code from systeminfo. (patchset #3 id:40001 of https://codereview.webrtc.org/2578323005/ ) > > Reason for revert: > Breaks downstream build. > > Original issue's description: > > Delete unused code from systeminfo. > > > > BUG=webrtc:6906 > > > > Review-Url: https://codereview.webrtc.org/2578323005 > > Cr-Commit-Position: refs/heads/master@{#15655} > > Committed:617ca316e9> > TBR=perkj@webrtc.org,kthelgason@webrtc.org > # Skipping CQ checks because original CL landed less than 1 days ago. > BUG=webrtc:6906 > > Review-Url: https://codereview.webrtc.org/2584563004 . > Cr-Commit-Position: refs/heads/master@{#15660} > Committed:ffb865f3e0TBR=perkj@webrtc.org,skvlad@webrtc.org # Not skipping CQ checks because original CL landed more than 1 days ago. BUG=webrtc:6906 Review-Url: https://codereview.webrtc.org/2614693002 Cr-Commit-Position: refs/heads/master@{#15956}