Handle Security Key requests from outside the remoted session correctly

remoting/host/security_key/security_key_ipc_client.cc

Index: remoting/host/security_key/security_key_ipc_client.cc
diff --git a/remoting/host/security_key/security_key_ipc_client.cc b/remoting/host/security_key/security_key_ipc_client.cc
index 43ad72f17b8e735bbd61efd24a502e1f3e6c7e6d..7dd95da86d0032f0053e3c922cbbee877f902c09 100644
--- a/remoting/host/security_key/security_key_ipc_client.cc
+++ b/remoting/host/security_key/security_key_ipc_client.cc
@@ -38,7 +38,7 @@ bool SecurityKeyIpcClient::CheckForSecurityKeyIpcServerChannel() {
 }
 
 void SecurityKeyIpcClient::EstablishIpcConnection(
-    const base::Closure& connection_ready_callback,
+    const ConnectionReadyCallback& connection_ready_callback,
     const base::Closure& connection_error_callback) {
   DCHECK(thread_checker_.CalledOnValidThread());
   DCHECK(!connection_ready_callback.is_null());
@@ -96,6 +96,10 @@ bool SecurityKeyIpcClient::OnMessageReceived(const IPC::Message& message) {
   IPC_BEGIN_MESSAGE_MAP(SecurityKeyIpcClient, message)
     IPC_MESSAGE_HANDLER(ChromotingNetworkToRemoteSecurityKeyMsg_Response,
                         OnSecurityKeyResponse)
+    IPC_MESSAGE_HANDLER(ChromotingNetworkToRemoteSecurityKeyMsg_ConnectionReady,
+                        OnConnectionReady)
+    IPC_MESSAGE_HANDLER(ChromotingNetworkToRemoteSecurityKeyMsg_InvalidSession,
+                        OnInvalidSession)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
 
@@ -122,8 +126,6 @@ void SecurityKeyIpcClient::OnChannelConnected(int32_t peer_pid) {
     return;
   }
 #endif  // defined(OS_WIN)
-
-  base::ResetAndReturn(&connection_ready_callback_).Run();
 }
 
 void SecurityKeyIpcClient::OnChannelError() {
@@ -147,6 +149,20 @@ void SecurityKeyIpcClient::OnSecurityKeyResponse(
   }
 }
 
+void SecurityKeyIpcClient::OnConnectionReady() {
+  DCHECK(thread_checker_.CalledOnValidThread());
+  DCHECK(!connection_ready_callback_.is_null());
+
+  base::ResetAndReturn(&connection_ready_callback_).Run(true);
+}
+
+void SecurityKeyIpcClient::OnInvalidSession() {
+  DCHECK(thread_checker_.CalledOnValidThread());
+  DCHECK(!connection_ready_callback_.is_null());
+
+  base::ResetAndReturn(&connection_ready_callback_).Run(false);
+}
+
 void SecurityKeyIpcClient::ConnectToIpcChannel() {
   DCHECK(thread_checker_.CalledOnValidThread());