Add TransportSession interface to prepare for WebRTC-based transport.

remoting/protocol/jingle_messages.h

 // 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.
 
 #ifndef REMOTING_PROTOCOL_JINGLE_MESSAGES_H_
 #define REMOTING_PROTOCOL_JINGLE_MESSAGES_H_
 
 #include <list>
 #include <string>
 
@@ skipping 18 matching lines @@
 
   enum Reason {
     UNKNOWN_REASON,
     SUCCESS,
     DECLINE,
     CANCEL,
     GENERAL_ERROR,
     INCOMPATIBLE_PARAMETERS,
   };
 
-  struct NamedCandidate {
-    NamedCandidate() =  default;
-    NamedCandidate(const std::string& name,
-                   const cricket::Candidate& candidate);
-
-    std::string name;
-    cricket::Candidate candidate;
-  };
-
-  struct IceCredentials {
-    IceCredentials() = default;
-    IceCredentials(std::string channel,
-                   std::string ufrag,
-                   std::string password);
-
-    std::string channel;
-    std::string ufrag;
-    std::string password;
-  };
 
   JingleMessage();
   JingleMessage(const std::string& to_value,
                 ActionType action_value,
                 const std::string& sid_value);
   ~JingleMessage();
 
   // Caller keeps ownership of |stanza|.
   static bool IsJingleMessage(const buzz::XmlElement* stanza);
   static std::string GetActionName(ActionType action);
 
   // Caller keeps ownership of |stanza|. |error| is set to debug error
   // message when parsing fails.
   bool ParseXml(const buzz::XmlElement* stanza, std::string* error);
 
   scoped_ptr<buzz::XmlElement> ToXml() const;
 
   std::string from;
   std::string to;
   ActionType action = UNKNOWN_ACTION;
   std::string sid;
 
   std::string initiator;
 
   scoped_ptr<ContentDescription> description;
 
-  std::list<IceCredentials> ice_credentials;
-  std::list<NamedCandidate> candidates;
+  scoped_ptr<buzz::XmlElement> transport_info;
 
   // Content of session-info messages.
   scoped_ptr<buzz::XmlElement> info;
 
   // Value from the <reason> tag if it is present in the
   // message. Useful mainly for session-terminate messages, but Jingle
   // spec allows it in any message.
   Reason reason = UNKNOWN_REASON;
 };
 
@@ skipping 20 matching lines @@
   // recepient as well as other information needed to generate a valid
   // reply are taken from |request_stanza|.
   scoped_ptr<buzz::XmlElement> ToXml(
       const buzz::XmlElement* request_stanza) const;
 
   ReplyType type;
   ErrorType error_type;
   std::string text;
 };
 
+struct IceTransportInfo {
+  IceTransportInfo();
+  ~IceTransportInfo();
+  struct NamedCandidate {
+    NamedCandidate() = default;
+    NamedCandidate(const std::string& name,
+                   const cricket::Candidate& candidate);
+
+    std::string name;
+    cricket::Candidate candidate;
+  };
+
+  struct IceCredentials {
+    IceCredentials() = default;
+    IceCredentials(std::string channel,
+                   std::string ufrag,
+                   std::string password);
+
+    std::string channel;
+    std::string ufrag;
+    std::string password;
+  };
+
+  // Caller keeps ownership of |stanza|. |error| is set to debug error
+  // message when parsing fails.
+  bool ParseXml(const buzz::XmlElement* stanza);
+  scoped_ptr<buzz::XmlElement> ToXml() const;
+
+  std::list<IceCredentials> ice_credentials;
+  std::list<NamedCandidate> candidates;
+};
+
 }  // protocol
 }  // remoting
 
 #endif  // REMOTING_PROTOCOL_JINGLE_MESSAGES_H_