Updating JSON Schema Compiler to add description field to schemas.

chrome/common/extensions/api/socket.idl

 // Copyright (c) 2012 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> module to send and receive data over the
+// network using TCP and UDP connections.
 namespace socket {
   enum SocketType {
     tcp,
     udp
   };
 
   // The socket options.
   dictionary CreateOptions {
   };
 
@@ skipping 308 matching lines @@
         SetMulticastLoopbackModeCallback callback);
 
     // Get the multicast group addresses the socket is currently joined to.
     // |socketId| : The socketId.
     // |callback| : Called with an array of strings of the result.
     static void getJoinedGroups(long socketId,
                                 GetJoinedGroupsCallback callback);
   };
 
 };