Implement timeouts for IQ requests.

remoting/protocol/jingle_messages.h

Index: remoting/protocol/jingle_messages.h
diff --git a/remoting/protocol/jingle_messages.h b/remoting/protocol/jingle_messages.h
index 03e506314cda55ba95d6fc4e9d7dfbbcfb7503b3..3dcdd41ac21588194e35eb0206d0d2ca0424ef02 100644
--- a/remoting/protocol/jingle_messages.h
+++ b/remoting/protocol/jingle_messages.h
@@ -52,12 +52,13 @@ struct 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();
+  scoped_ptr<buzz::XmlElement> ToXml() const;
 
   std::string from;
   std::string to;