TCPConnection can never be deteted if they fail to connect.

Since the TCPConnection has never been connected, they are not scheduled for ping hence will never be detected.

Also fix the case when reconnect fails, as it has become READABLE before, it also will not be deleted.

BUG=webrtc:4936
R=pthatcher@webrtc.org

Review URL: https://codereview.webrtc.org/1307083002 .

Cr-Commit-Position: refs/heads/master@{#9782}
2 files changed