Reason for revert: I have to revert this unfortunately because it adds a dependency on AsyncInvoker, which is not included when building libjingle_nacl in Chromium. AsyncInvoker needs to first be added to the list of sources in Chromium. Original issue's description: > Do not delete the turn port entry right away when the respective connection is deleted. > BUG=webrtc:5120 > > Committed: https://crrev.com/e58fe8ef0e6d959f54adee3ed77764927d3845cc > Cr-Commit-Position: refs/heads/master@{#10641} TBR=pthatcher@webrtc.org,honghaiz@webrtc.org NOPRESUBMIT=true NOTREECHECKS=true NOTRY=true BUG=webrtc:5120 Review URL: https://codereview.webrtc.org/1449863002 Cr-Commit-Position: refs/heads/master@{#10649}