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

remoting/host/fake_host_extension.cc

Index: remoting/host/fake_host_extension.cc
diff --git a/remoting/host/fake_host_extension.cc b/remoting/host/fake_host_extension.cc
index 34c31f928d83759c29e534101a91c104d8a96d0d..8e02d2fa5dcf9cea868e3921b42015257464c224 100644
--- a/remoting/host/fake_host_extension.cc
+++ b/remoting/host/fake_host_extension.cc
@@ -92,8 +92,7 @@ scoped_ptr<HostExtensionSession> FakeExtension::CreateExtensionSession(
     protocol::ClientStub* client_stub) {
   DCHECK(!was_instantiated());
   was_instantiated_ = true;
-  scoped_ptr<HostExtensionSession> session(new Session(this, message_type_));
-  return session.Pass();
+  return make_scoped_ptr(new Session(this, message_type_));
 }
 
 } // namespace remoting