Refactor SignalStrategy so that it can be reused for multiple connections.

remoting/jingle_glue/mock_objects.h

Index: remoting/jingle_glue/mock_objects.h
diff --git a/remoting/jingle_glue/mock_objects.h b/remoting/jingle_glue/mock_objects.h
index aad9697ae639f201ba472700165b940b9fd342e3..61bc2d3df4fa000b3dd99d04919c961e54c20432 100644
--- a/remoting/jingle_glue/mock_objects.h
+++ b/remoting/jingle_glue/mock_objects.h
@@ -14,13 +14,14 @@ class MockSignalStrategy : public SignalStrategy {
   MockSignalStrategy();
   virtual ~MockSignalStrategy();
 
-  MOCK_METHOD1(Init, void(StatusObserver*));
-  MOCK_METHOD0(Close, void());
+  MOCK_METHOD0(Connect, void());
+  MOCK_METHOD0(Disconnect, void());
+  MOCK_CONST_METHOD0(GetState, State());
+  MOCK_CONST_METHOD0(GetLocalJid, std::string());
   MOCK_METHOD1(AddListener, void(Listener* listener));
   MOCK_METHOD1(RemoveListener, void(Listener* listener));
   MOCK_METHOD1(SendStanza, bool(buzz::XmlElement* stanza));
   MOCK_METHOD0(GetNextId, std::string());
-  MOCK_METHOD0(CreateIqRequest, IqRequest*());
 };
 
 }  // namespace remoting