Make aurademo create a command line and atexitmanager

mojo/examples/aura_demo/aura_demo.cc

 // Copyright 2013 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 <stdio.h>
 #include <string>
 
+#include "base/at_exit.h"
+#include "base/command_line.h"
 #include "base/message_loop/message_loop.h"
 #include "mojo/common/bindings_support_impl.h"
 #include "mojo/examples/aura_demo/demo_screen.h"
 #include "mojo/examples/aura_demo/root_window_host_mojo.h"
 #include "mojo/examples/compositor_app/compositor_host.h"
 #include "mojo/examples/compositor_app/gles2_client_impl.h"
 #include "mojo/public/bindings/lib/bindings_support.h"
 #include "mojo/public/bindings/lib/remote_ptr.h"
 #include "mojo/public/gles2/gles2.h"
 #include "mojo/public/system/core.h"
@@ skipping 167 matching lines @@
   mojo::RemotePtr<Shell> shell_;
   scoped_ptr<WindowTreeHostMojo> root_window_host_;
   scoped_ptr<aura::RootWindow> root_window_;
 };
 
 }  // namespace examples
 }  // namespace mojo
 
 extern "C" AURA_DEMO_EXPORT MojoResult CDECL MojoMain(
     MojoHandle shell_handle) {
+  CommandLine::Init(0, NULL);
+  base::AtExitManager at_exit;
   base::MessageLoop loop;
   mojo::common::BindingsSupportImpl bindings_support_impl;
   mojo::BindingsSupport::Set(&bindings_support_impl);
   MojoGLES2Initialize();
 
   // TODO(beng): This crashes in a DCHECK on X11 because this thread's
   //             MessageLoop is not of TYPE_UI. I think we need a way to build
   //             Aura that doesn't define platform-specific stuff.
   aura::Env::CreateInstance();
   mojo::examples::AuraDemo app(
       mojo::MakeScopedHandle(mojo::MessagePipeHandle(shell_handle)).Pass());
   loop.Run();
 
   MojoGLES2Terminate();
   mojo::BindingsSupport::Set(NULL);
   return MOJO_RESULT_OK;
 }