cros: Replace BrowserThread::FILE in InputServiceProxy

components/pairing/shark_connection_listener.cc

Index: components/pairing/shark_connection_listener.cc
diff --git a/components/pairing/shark_connection_listener.cc b/components/pairing/shark_connection_listener.cc
index 85c554170a57294bbba6b7284c5a3b1eb088b59a..e5eb97d5764b86d838121320ee3aac5d68121d92 100644
--- a/components/pairing/shark_connection_listener.cc
+++ b/components/pairing/shark_connection_listener.cc
@@ -7,16 +7,18 @@
 #include <utility>
 
 #include "base/logging.h"
+#include "base/task_runner.h"
 #include "base/threading/thread_restrictions.h"
 #include "components/pairing/bluetooth_host_pairing_controller.h"
 
 namespace pairing_chromeos {
 
 SharkConnectionListener::SharkConnectionListener(
-    const scoped_refptr<base::SingleThreadTaskRunner>& file_task_runner,
+    scoped_refptr<base::TaskRunner> input_service_task_runner,
     OnConnectedCallback callback)
     : callback_(callback) {
-  controller_.reset(new BluetoothHostPairingController(file_task_runner));
+  controller_.reset(
+      new BluetoothHostPairingController(std::move(input_service_task_runner)));
   controller_->AddObserver(this);
   controller_->StartPairing();
 }