Add RtcpMuxPolicy to PeerConnection.

Source/modules/mediastream/RTCPeerConnection.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 111 matching lines @@
         if (bundlePolicyString == "max-compat") {
             bundlePolicy = RTCBundlePolicyMaxCompat;
         } else if (bundlePolicyString == "max-bundle") {
             bundlePolicy = RTCBundlePolicyMaxBundle;
         } else if (bundlePolicyString != "balanced") {
             exceptionState.throwTypeError("Malformed RTCBundlePolicy");
             return 0;
         }
     }
 
+    RTCRtcpMuxPolicy rtcpMuxPolicy = RTCRtcpMuxPolicyRequire;

[tommi (sloooow) - chröme, 2015/05/22 15:46:10]

Shouldn't this be initialized to WebRTCRtcpMuxPolicyNegotiate?

[pthatcher2, 2015/05/22 15:55:27]

Yes, thank you for noticing that.  That could have been bad (or good, depending
on how you look at it :).

+    String rtcpMuxPolicyString;
+    if (DictionaryHelper::get(configuration, "rtcpMuxPolicy", rtcpMuxPolicyString)) {
+        if (rtcpMuxPolicyString == "require") {
+            rtcpMuxPolicy = RTCRtcpMuxPolicyRequire;
+        } else if (rtcpMuxPolicyString != "negotiate") {
+            exceptionState.throwTypeError("Malformed RTCRtcpMuxPolicy");
+            return 0;
+        }
+    }
+
     RTCConfiguration* rtcConfiguration = RTCConfiguration::create();
     rtcConfiguration->setIceTransports(iceTransports);
     rtcConfiguration->setBundlePolicy(bundlePolicy);
+    rtcConfiguration->setRtcpMuxPolicy(rtcpMuxPolicy);
 
     for (size_t i = 0; i < numberOfServers; ++i) {
         Dictionary iceServer;
         ok = iceServers.get(i, iceServer);
         if (!ok) {
             exceptionState.throwTypeError("Malformed RTCIceServer");
             return 0;
         }
 
         Vector<String> names;
@@ skipping 680 matching lines @@
     visitor->trace(m_remoteStreams);
     visitor->trace(m_dataChannels);
 #if ENABLE(OILPAN)
     visitor->trace(m_scheduledEvents);
 #endif
     RefCountedGarbageCollectedEventTargetWithInlineData<RTCPeerConnection>::trace(visitor);
     ActiveDOMObject::trace(visitor);
 }
 
 } // namespace blink