Currently, it is only returning transceivers with an active sender.
Created attachment 312768 [details] Patch
Comment on attachment 312768 [details] Patch Attachment 312768 [details] did not pass mac-wk2-ews (mac-wk2): Output: http://webkit-queues.webkit.org/results/3923527 New failing tests: fast/mediastream/RTCPeerConnection-addTrack-reuse-sender.html
Created attachment 312773 [details] Archive of layout-test-results from ews107 for mac-elcapitan-wk2 The attached test failures were seen while running run-webkit-tests on the mac-wk2-ews. Bot: ews107 Port: mac-elcapitan-wk2 Platform: Mac OS X 10.11.6
Created attachment 312774 [details] Patch
Comment on attachment 312774 [details] Patch Clearing flags on attachment: 312774 Committed r218182: <http://trac.webkit.org/changeset/218182>
All reviewed patches have been landed. Closing bug.