Update GnubbyAuthHandler to use the current session ID

remoting/host/security_key/gnubby_extension_session.h

Index: remoting/host/security_key/gnubby_extension_session.h
diff --git a/remoting/host/security_key/gnubby_extension_session.h b/remoting/host/security_key/gnubby_extension_session.h
index 65319437616e2175cb04dcb409b4126304bd3cc5..1625b9d9b7bd52f50c0d16d65a891391e3a002cf 100644
--- a/remoting/host/security_key/gnubby_extension_session.h
+++ b/remoting/host/security_key/gnubby_extension_session.h
@@ -5,6 +5,7 @@
 #ifndef REMOTING_HOST_SECURITY_KEY_GNUBBY_EXTENSION_SESSION_H_
 #define REMOTING_HOST_SECURITY_KEY_GNUBBY_EXTENSION_SESSION_H_
 
+#include <cstdint>
 #include <memory>
 #include <string>
 
@@ -19,6 +20,7 @@ class DictionaryValue;
 
 namespace remoting {
 
+class ClientSessionDetails;
 class GnubbyAuthHandler;
 
 namespace protocol {
@@ -28,7 +30,8 @@ class ClientStub;
 // A HostExtensionSession implementation that enables Security Key support.
 class GnubbyExtensionSession : public HostExtensionSession {
  public:
-  explicit GnubbyExtensionSession(protocol::ClientStub* client_stub);
+  GnubbyExtensionSession(ClientSessionDetails* client_session_details,
+                         protocol::ClientStub* client_stub);
   ~GnubbyExtensionSession() override;
 
   // HostExtensionSession interface.
@@ -48,12 +51,17 @@ class GnubbyExtensionSession : public HostExtensionSession {
 
   void SendMessageToClient(int connection_id, const std::string& data) const;
 
+  uint32_t GetDesktopSessionId() const;
+
   // Ensures GnubbyExtensionSession methods are called on the same thread.
   base::ThreadChecker thread_checker_;
 
   // Interface through which messages can be sent to the client.
   protocol::ClientStub* client_stub_ = nullptr;
 
+  // Interface which provides details about the client session.
+  ClientSessionDetails* client_session_details_ = nullptr;
+
   // Handles platform specific gnubby operations.
   std::unique_ptr<GnubbyAuthHandler> gnubby_auth_handler_;