Support a user-provided string for the TLS ALPN extension.

webrtc/sdk/android/api/org/webrtc/PeerConnection.java

 /*
  *  Copyright 2013 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 92 matching lines @@
     public final String username;
     public final String password;
     public final TlsCertPolicy tlsCertPolicy;
 
     // If the URIs in |urls| only contain IP addresses, this field can be used
     // to indicate the hostname, which may be necessary for TLS (using the SNI
     // extension). If |urls| itself contains the hostname, this isn't
     // necessary.
     public final String hostname;
 
+    // List of protocols to be used in the TLS ALPN extension.
+    public final List<String> tlsAlpnProtocols;
+
     /** Convenience constructor for STUN servers. */
     public IceServer(String uri) {
       this(uri, "", "");
     }
 
     public IceServer(String uri, String username, String password) {
       this(uri, username, password, TlsCertPolicy.TLS_CERT_POLICY_SECURE);
     }
 
     public IceServer(String uri, String username, String password, TlsCertPolicy tlsCertPolicy) {
       this(uri, username, password, tlsCertPolicy, "");
     }
 
     public IceServer(String uri, String username, String password, TlsCertPolicy tlsCertPolicy,
         String hostname) {
+      this(uri, username, password, tlsCertPolicy, hostname, null);
+    }
+
+    public IceServer(String uri, String username, String password, TlsCertPolicy tlsCertPolicy,
+        String hostname, List<String> tlsAlpnProtocols) {
       this.uri = uri;
       this.username = username;
       this.password = password;
       this.tlsCertPolicy = tlsCertPolicy;
       this.hostname = hostname;
+      this.tlsAlpnProtocols = tlsAlpnProtocols;
     }
 
     public String toString() {
       return uri + " [" + username + ":" + password + "] [" + tlsCertPolicy + "] [" + hostname
-          + "]";
+          + "] [" + tlsAlpnProtocols + "]";
     }
   }
 
   /** Java version of PeerConnectionInterface.IceTransportsType */
   public enum IceTransportsType { NONE, RELAY, NOHOST, ALL }
 
   /** Java version of PeerConnectionInterface.BundlePolicy */
   public enum BundlePolicy { BALANCED, MAXBUNDLE, MAXCOMPAT }
 
   /** Java version of PeerConnectionInterface.RtcpMuxPolicy */
@@ skipping 283 matching lines @@
   private native RtpSender nativeCreateSender(String kind, String stream_id);
 
   private native List<RtpSender> nativeGetSenders();
 
   private native List<RtpReceiver> nativeGetReceivers();
 
   private native boolean nativeStartRtcEventLog(int file_descriptor, int max_size_bytes);
 
   private native void nativeStopRtcEventLog();
 }