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

mojo/examples/wm_flow/wm/wm.cc

Index: mojo/examples/wm_flow/wm/wm.cc
diff --git a/mojo/examples/wm_flow/wm/wm.cc b/mojo/examples/wm_flow/wm/wm.cc
index 4fa492d5976ad1348048ecbcd8f504bbce73b3d3..ac7f5db04c4f51f5a695b5a9e3162e2ab660a1ff 100644
--- a/mojo/examples/wm_flow/wm/wm.cc
+++ b/mojo/examples/wm_flow/wm/wm.cc
@@ -2,7 +2,10 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+#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_chromium.h"
 #include "mojo/public/cpp/application/service_provider_impl.h"
 #include "mojo/services/public/cpp/view_manager/view_manager.h"
 #include "mojo/services/public/cpp/view_manager/view_manager_delegate.h"
@@ -117,11 +120,7 @@ class SimpleWM : public mojo::ApplicationDelegate,
 
 }  // namespace examples
 
-namespace mojo {
-
-// static
-ApplicationDelegate* ApplicationDelegate::Create() {
-  return new examples::SimpleWM;
+MojoResult MojoMain(MojoHandle shell_handle) {
+  mojo::ApplicationRunnerChromium runner(new examples::SimpleWM);
+  return runner.Run(shell_handle);
 }
-
-}  // namespace