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

mojo/examples/nesting_app/nesting_app.cc

Index: mojo/examples/nesting_app/nesting_app.cc
diff --git a/mojo/examples/nesting_app/nesting_app.cc b/mojo/examples/nesting_app/nesting_app.cc
index e8a168a057723428237e6a50871da24f6fbeb598..d97bcd2c40a1e015c34b0090fcb699c48c893a4c 100644
--- a/mojo/examples/nesting_app/nesting_app.cc
+++ b/mojo/examples/nesting_app/nesting_app.cc
@@ -7,8 +7,10 @@
 #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"
@@ -136,10 +138,9 @@ void NavigatorImpl::Navigate(uint32 node_id,
 }
 
 }  // 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