Changing the --enable-sctp-data-channels flag to --disable-sctp-data-channels so that SCTP is turned

content/renderer/media/rtc_peer_connection_handler.cc

Index: content/renderer/media/rtc_peer_connection_handler.cc
diff --git a/content/renderer/media/rtc_peer_connection_handler.cc b/content/renderer/media/rtc_peer_connection_handler.cc
index 59413582383825b38a163a688f0f7c2c11ac4ed5..b361469e9af0b27ef161e7bf4ee474552b8e5d39 100644
--- a/content/renderer/media/rtc_peer_connection_handler.cc
+++ b/content/renderer/media/rtc_peer_connection_handler.cc
@@ -349,12 +349,10 @@ bool RTCPeerConnectionHandler::initialize(
 
   RTCMediaConstraints constraints(options);
 
-  if (CommandLine::ForCurrentProcess()->HasSwitch(
-      switches::kEnableSCTPDataChannels)) {
-    // TODO(jiayl): replace the hard coded string with
-    // webrtc::MediaConstraintsInterface::kEnableSctpDataChannels when
-    // the Libjingle change is rolled.
-    constraints.AddOptional("internalSctpDataChannels", "true");
+  if (!CommandLine::ForCurrentProcess()->HasSwitch(
+      switches::kDisableSCTPDataChannels)) {
+    constraints.AddOptional(
+        webrtc::MediaConstraintsInterface::kEnableSctpDataChannels, "true");
   }
 
   native_peer_connection_ =