Merge pull request #46 from tonyherre/correct_pc_attribute

Resolve the indecisive attribute/getter on PeerConnection

Author: aboba

explainer-use-case-1.md

@@ -97,8 +97,8 @@ dictionary RtpHeaderExtensionInit {
 
 ```javascript
 partial interface PeerConnection {
-  // There may be an RtpTransport with no RtpSenders and no RtpReceivers
-  readonly attribute sequence<RtpTransport> getRtpTransports();
+  // There may be an RtpTransport with no RtpSenders and no RtpReceivers.
+  readonly attribute RtpTransport? rtpTransport;
 }
 partial interface RtpSender {
   // shared between RtpSenders in the same BUNDLE group