Removing 'AllowScopedIO' exception from SecurityKeyAuthHandlerLinux

remoting/host/security_key/security_key_extension_session_unittest.cc

Index: remoting/host/security_key/security_key_extension_session_unittest.cc
diff --git a/remoting/host/security_key/security_key_extension_session_unittest.cc b/remoting/host/security_key/security_key_extension_session_unittest.cc
index 229f7447c5fe8b54d84b07877edfbd856cbb0d60..115a9e2581d8cd60312f5a5f32b7d6db5e40aa3a 100644
--- a/remoting/host/security_key/security_key_extension_session_unittest.cc
+++ b/remoting/host/security_key/security_key_extension_session_unittest.cc
@@ -169,7 +169,9 @@ class SecurityKeyExtensionSessionTest : public testing::Test {
 
 SecurityKeyExtensionSessionTest::SecurityKeyExtensionSessionTest()
     : security_key_extension_session_(
-          new SecurityKeyExtensionSession(&client_details_, &client_stub_)) {
+          new SecurityKeyExtensionSession(&client_details_,
+                                          &client_stub_,
+                                          /*file_task_runner=*/nullptr)) {
   // We want to retain ownership of mock object so we can use it to inject
   // events into the extension session.  The mock object should not be used
   // once |security_key_extension_session_| is destroyed.