Use std::move() instead of .Pass() in remoting/host

remoting/host/pairing_registry_delegate.cc

Index: remoting/host/pairing_registry_delegate.cc
diff --git a/remoting/host/pairing_registry_delegate.cc b/remoting/host/pairing_registry_delegate.cc
index c7e49a0ddbd4d16badb54828690f228c3e98d22d..5c5e885332b539eecf6dd6fde88e7849f5e73fdf 100644
--- a/remoting/host/pairing_registry_delegate.cc
+++ b/remoting/host/pairing_registry_delegate.cc
@@ -16,7 +16,7 @@ scoped_refptr<PairingRegistry> CreatePairingRegistry(
   scoped_ptr<PairingRegistry::Delegate> delegate(
       CreatePairingRegistryDelegate());
   if (delegate) {
-    pairing_registry = new PairingRegistry(task_runner, delegate.Pass());
+    pairing_registry = new PairingRegistry(task_runner, std::move(delegate));
   }
   return pairing_registry;
 }