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

mojo/examples/surfaces_app/surfaces_app.cc

Index: mojo/examples/surfaces_app/surfaces_app.cc
diff --git a/mojo/examples/surfaces_app/surfaces_app.cc b/mojo/examples/surfaces_app/surfaces_app.cc
index d5f46848e464c02733e5a1bf83549fc2659d11d7..b97e40f9c918106faae05c46309d63266a2d1ef8 100644
--- a/mojo/examples/surfaces_app/surfaces_app.cc
+++ b/mojo/examples/surfaces_app/surfaces_app.cc
@@ -8,8 +8,10 @@
 #include "cc/surfaces/surface_id_allocator.h"
 #include "mojo/examples/surfaces_app/child.mojom.h"
 #include "mojo/examples/surfaces_app/embedder.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/system/core.h"
 #include "mojo/services/gles2/command_buffer.mojom.h"
 #include "mojo/services/public/cpp/geometry/geometry_type_converters.h"
@@ -153,10 +155,9 @@ class SurfacesApp : public ApplicationDelegate,
 };
 
 }  // namespace examples
+}  // namespace mojo
 
-// static
-ApplicationDelegate* ApplicationDelegate::Create() {
-  return new examples::SurfacesApp();
+MojoResult MojoMain(MojoHandle shell_handle) {
+  mojo::ApplicationRunnerChromium runner(new mojo::examples::SurfacesApp);
+  return runner.Run(shell_handle);
 }
-
-}  // namespace mojo