Remove old Authentication code that we don't use or need.

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 6bc97d67f10c1a2106fd550a3fa16dc7763e421b..ae42e98016243ece1d54d0e38ce1f2d7a6b0efed 100644
--- a/remoting/protocol/protocol_mock_objects.h
+++ b/remoting/protocol/protocol_mock_objects.h
@@ -69,10 +69,6 @@ class MockHostStub : public HostStub {
   MockHostStub();
   ~MockHostStub();
 
-  MOCK_METHOD2(BeginSessionRequest,
-               void(const LocalLoginCredentials* credentials,
-                    const base::Closure&  done));
-
  private:
   DISALLOW_COPY_AND_ASSIGN(MockHostStub);
 };
@@ -82,11 +78,6 @@ class MockClientStub : public ClientStub {
   MockClientStub();
   virtual ~MockClientStub();
 
-  MOCK_METHOD2(NotifyResolution, void(const NotifyResolutionRequest* msg,
-                                      const base::Closure& done));
-  MOCK_METHOD2(BeginSessionResponse, void(const LocalLoginStatus* msg,
-                                          const base::Closure& done));
-
  private:
   DISALLOW_COPY_AND_ASSIGN(MockClientStub);
 };