mojo: first take on removing mojo_main_{chromium,standalone}.

mojo/examples/wget/wget.cc

 // Copyright 2014 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 "mojo/public/c/system/main.h"
 #include "mojo/public/cpp/application/application_delegate.h"
 #include "mojo/public/cpp/application/application_impl.h"
+#include "mojo/public/cpp/application/application_runner.h"
 #include "mojo/public/cpp/utility/run_loop.h"
 #include "mojo/services/public/interfaces/network/network_service.mojom.h"
 #include "mojo/services/public/interfaces/network/url_loader.mojom.h"
 
 namespace mojo {
 namespace examples {
 namespace {
 
 class ResponsePrinter {
  public:
@@ skipping 75 matching lines @@
     if (scanf("%1023s", buf) != 1)
       buf[0] = '\0';
     return buf;
   }
 
   NetworkServicePtr network_service_;
   URLLoaderPtr url_loader_;
 };
 
 }  // namespace examples
+}  // namespace mojo
 
-// static
-ApplicationDelegate* ApplicationDelegate::Create() {
-  return new examples::WGetApp();
+MojoResult MojoMain(MojoHandle shell_handle) {
+  mojo::ApplicationRunner runner(new mojo::examples::WGetApp);
+  return runner.Run(shell_handle);
 }
-
-}  // namespace mojo