Delete temporary application file as soon as the application is launched.

shell/launcher_main.cc

Index: shell/launcher_main.cc
diff --git a/shell/launcher_main.cc b/shell/launcher_main.cc
index a4d0b8a9352ea3fd03bc751d65d11d57c3e8d4db..709f5205774a43aea1f59ed9b30f7eae8a643e51 100644
--- a/shell/launcher_main.cc
+++ b/shell/launcher_main.cc
@@ -59,7 +59,7 @@ class Launcher {
     mojo::shell::InProcessDynamicServiceRunner service_runner(nullptr);
     run_loop_.reset(new base::RunLoop);
     service_runner.Start(
-        app_path_, shell_handle_.Pass(),
+        app_path_, false, shell_handle_.Pass(),
         base::Bind(&Launcher::OnAppCompleted, base::Unretained(this)));
     run_loop_->Run();
     run_loop_.reset();