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

examples/wget/wget.cc

Index: examples/wget/wget.cc
diff --git a/examples/wget/wget.cc b/examples/wget/wget.cc
index 575d8cb2ba851348c9262f81c41c98192fd1cabf..32257b416484b728757b62140d900296c16d5ba8 100644
--- a/examples/wget/wget.cc
+++ b/examples/wget/wget.cc
@@ -4,6 +4,8 @@
 
 #include <stdio.h>
 
+#include <memory>
+
 #include "mojo/public/c/system/main.h"
 #include "mojo/public/cpp/application/application_delegate.h"
 #include "mojo/public/cpp/application/application_impl.h"
@@ -109,6 +111,7 @@ class WGetApp : public ApplicationDelegate {
 }  // namespace mojo
 
 MojoResult MojoMain(MojoHandle application_request) {
-  mojo::ApplicationRunner runner(new mojo::examples::WGetApp);
+  mojo::ApplicationRunner runner(
+      std::unique_ptr<mojo::examples::WGetApp>(new mojo::examples::WGetApp()));
   return runner.Run(application_request);
 }