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

mojo/examples/wm_flow/wm/wm.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 "mojo/public/cpp/application/application_delegate.h"
+#include "mojo/public/cpp/application/application_export.h"
+#include "mojo/public/cpp/application/application_impl.h"
+#include "mojo/public/cpp/application/application_runner_chromium.h"
 #include "mojo/services/public/cpp/view_manager/view_manager.h"
 #include "mojo/services/public/cpp/view_manager/view_manager_delegate.h"
 #include "mojo/services/public/cpp/view_manager/window_manager_delegate.h"
 #include "mojo/services/window_manager/window_manager_app.h"
 
 namespace examples {
 
 class SimpleWM : public mojo::ApplicationDelegate,
                  public mojo::ViewManagerDelegate,
                  public mojo::WindowManagerDelegate {
@@ skipping 55 matching lines @@
   mojo::Node* root_;
   mojo::Node* window_container_;
 
   gfx::Point next_window_origin_;
 
   DISALLOW_COPY_AND_ASSIGN(SimpleWM);
 };
 
 }  // namespace examples
 
-namespace mojo {
-
-// static
-ApplicationDelegate* ApplicationDelegate::Create() {
-  return new examples::SimpleWM;
+extern "C" APPLICATION_EXPORT MojoResult CDECL MojoMain(
+    MojoHandle shell_handle) {
+  return mojo::ApplicationRunnerChromium(
+      make_scoped_delegate(new examples::SimpleWM)).Run(shell_handle);
 }
-
-}  // namespace