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

mojo/examples/nesting_app/nesting_app.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 "base/basictypes.h"
 #include "base/bind.h"
 #include "base/message_loop/message_loop.h"
 #include "base/strings/stringprintf.h"
 #include "mojo/examples/window_manager/window_manager.mojom.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_chromium.h"
 #include "mojo/public/cpp/application/interface_factory_impl.h"
 #include "mojo/services/public/cpp/view_manager/view.h"
 #include "mojo/services/public/cpp/view_manager/view_manager.h"
 #include "mojo/services/public/cpp/view_manager/view_manager_client_factory.h"
 #include "mojo/services/public/cpp/view_manager/view_manager_delegate.h"
 #include "mojo/services/public/cpp/view_manager/view_observer.h"
 #include "mojo/services/public/interfaces/navigation/navigation.mojom.h"
 #include "ui/events/event_constants.h"
 #include "url/gurl.h"
 
@@ skipping 107 matching lines @@
   GURL url(navigation_details->request->url.To<std::string>());
   if (!url.is_valid()) {
     LOG(ERROR) << "URL is invalid.";
     return;
   }
   app_->set_color(url.path().substr(1));
   app_->NavigateChild();
 }
 
 }  // namespace examples
+}  // namespace mojo
 
-// static
-ApplicationDelegate* ApplicationDelegate::Create() {
-  return new examples::NestingApp;
+MojoResult MojoMain(MojoHandle shell_handle) {
+  mojo::ApplicationRunnerChromium runner(new mojo::examples::NestingApp);
+  return runner.Run(shell_handle);
 }
-
-}  // namespace mojo