Adding TLS 1.3 constants

extensions/common/api/socket.idl

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Use the <code>chrome.socket</code> API to send and receive data over the
 // network using TCP and UDP connections. <b>Note:</b> Starting with Chrome 33,
 // this API is deprecated in favor of the $(ref:sockets.udp), $(ref:sockets.tcp) and
 // $(ref:sockets.tcpServer) APIs.
 namespace socket {
   enum SocketType {
@@ skipping 95 matching lines @@
 
     // The available IPv4/6 address.
     DOMString address;
 
     // The prefix length
     long prefixLength;
   };
 
   dictionary TLSVersionConstraints {
     // The minimum and maximum acceptable versions of TLS. These will
-    // be <code>tls1</code>, <code>tls1.1</code>, or <code>tls1.2</code>.
+    // be <code>tls1</code>, <code>tls1.1</code>, <code>tls1.2</code>,
+    // or <code>tls1.3</code>.

[davidben, 2016/07/18 09:46:40]

Ditto re not wanting to expose this

[svaldez, 2016/07/18 10:04:01]

Done.

     DOMString? min;
     DOMString? max;
   };
 
   dictionary SecureOptions {
     TLSVersionConstraints? tlsVersion;
   };
 
   callback RecvFromCallback = void (RecvFromInfo recvFromInfo);
 
@@ skipping 224 matching lines @@
     // Start a TLS client connection over a connected TCP client socket.
     // |socketId| : The connected socket to use.
     // |options| : Constraints and parameters for the TLS connection.
     // |callback| : Called when the TLS connection attempt is complete.
     static void secure(long socketId,
                        optional SecureOptions options,
                        SecureCallback callback);
   };
 
 };