Make ApplicationRunner's ctor's ApplicationDelegate* argument an std::unique_ptr instead.

services/authentication/dummy_authentication_app.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+#include <memory>
+
 #include "mojo/common/binding_set.h"
 #include "mojo/public/c/system/main.h"
 #include "mojo/public/cpp/application/application_connection.h"
 #include "mojo/public/cpp/application/application_delegate.h"
 #include "mojo/public/cpp/application/application_runner.h"
 #include "mojo/public/cpp/application/interface_factory.h"
 #include "mojo/public/cpp/system/macros.h"
 #include "mojo/services/authentication/interfaces/authentication.mojom.h"
 
 namespace authentication {
@@ skipping 35 matching lines @@
   void ClearOAuth2Token(const mojo::String& token) override {}
 
   mojo::BindingSet<AuthenticationService> bindings_;
 };
 
 }  // namespace
 }  // namespace authentication
 
 MojoResult MojoMain(MojoHandle application_request) {
   mojo::ApplicationRunner runner(
-      new authentication::DummyAuthenticationApplication);
+      std::unique_ptr<authentication::DummyAuthenticationApplication>(
+          new authentication::DummyAuthenticationApplication()));
   return runner.Run(application_request);
 }