Chromoting protocol layers to receive and send login messages

remoting/protocol/host_stub.h

Index: remoting/protocol/host_stub.h
diff --git a/remoting/protocol/host_stub.h b/remoting/protocol/host_stub.h
index cf14daa138277fe948b4bb6dd5aa2656b1d125ff..1a26225847e40e83772421d1198639bbcaf9f123 100644
--- a/remoting/protocol/host_stub.h
+++ b/remoting/protocol/host_stub.h
@@ -17,6 +17,7 @@ namespace remoting {
 namespace protocol {
 
 class SuggestResolutionRequest;
+class LocalLoginCredentials;
 
 class HostStub {
  public:
@@ -25,6 +26,8 @@ class HostStub {
 
   virtual void SuggestResolution(
       const SuggestResolutionRequest* msg, Task* done) = 0;
+  virtual void BeginSessionRequest(
+      const LocalLoginCredentials* credentials, Task* done) = 0;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(HostStub);