Use MessageLoopProxy for network message loop.

remoting/protocol/protocol_mock_objects.h

Index: remoting/protocol/protocol_mock_objects.h
diff --git a/remoting/protocol/protocol_mock_objects.h b/remoting/protocol/protocol_mock_objects.h
index 716a3b43a46bd6446ee71e0dd82a3c7773c195ca..948fdeced4e01b487646c84ab19d605cd7aef740 100644
--- a/remoting/protocol/protocol_mock_objects.h
+++ b/remoting/protocol/protocol_mock_objects.h
@@ -21,8 +21,7 @@ class ChromotocolConnection;
 
 class MockConnectionToClient : public ConnectionToClient {
  public:
-  MockConnectionToClient(MessageLoop* message_loop,
-                         EventHandler* handler,
+  MockConnectionToClient(EventHandler* handler,
                          HostStub* host_stub,
                          InputStub* input_stub);
   virtual ~MockConnectionToClient();
@@ -120,7 +119,6 @@ class MockSession : public Session {
   MOCK_METHOD0(video_rtp_channel, net::Socket*());
   MOCK_METHOD0(video_rtcp_channel, net::Socket*());
   MOCK_METHOD0(jid, const std::string&());
-  MOCK_METHOD0(message_loop, MessageLoop*());
   MOCK_METHOD0(candidate_config, const CandidateSessionConfig*());
   MOCK_METHOD0(config, const SessionConfig*());
   MOCK_METHOD1(set_config, void(const SessionConfig* config));