Protocol-level changes required to support PIN-less authentication.

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 7ccf664d8c63ef0f598e30f5ccf1c8d4f2ceece0..573d9809cacd3d8b11b544a017d8cd3038c850be 100644
--- a/remoting/protocol/protocol_mock_objects.h
+++ b/remoting/protocol/protocol_mock_objects.h
@@ -107,6 +107,9 @@ class MockHostStub : public HostStub {
   MOCK_METHOD1(ControlVideo, void(const VideoControl& video_control));
   MOCK_METHOD1(ControlAudio, void(const AudioControl& audio_control));
   MOCK_METHOD1(SetCapabilities, void(const Capabilities& capabilities));
+  MOCK_METHOD2(RequestPairing,
+               void (const PairingRequest& pairing_request,
+                     const base::Callback<void(const PairingReply&)>& callback);
 
  private:
   DISALLOW_COPY_AND_ASSIGN(MockHostStub);