Adding a flag for SCTP RTCPeerConnection data channels.

content/public/common/content_switches.cc

Index: content/public/common/content_switches.cc
diff --git a/content/public/common/content_switches.cc b/content/public/common/content_switches.cc
index 86c28d20f7cfde975b48c0a6ce0cbf1ba0c47467..5526a2bb694b310b3c1ddbf1fde8ebb99aab7e23 100644
--- a/content/public/common/content_switches.cc
+++ b/content/public/common/content_switches.cc
@@ -222,6 +222,9 @@ const char kDisableWebAudio[]               = "disable-webaudio";
 #if defined(ENABLE_WEBRTC)
 // Enables WebRTC AEC recordings.
 const char kEnableWebRtcAecRecordings[]     = "enable-webrtc-aec-recordings";
+
+// Enable WebRTC DataChannels SCTP wire protocol support.
+const char kEnableSCTPDataChannels[]        = "enable-sctp-data-channels";
 #endif
 
 // Enables Web MIDI API.