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

mojo/examples/surfaces_app/child_app.cc

Index: mojo/examples/surfaces_app/child_app.cc
diff --git a/mojo/examples/surfaces_app/child_app.cc b/mojo/examples/surfaces_app/child_app.cc
index 215f496caec51e7d54ec69106e69e5013c278de3..6ec676371dcfaa0661a1aaff68d1198eedbe15da 100644
--- a/mojo/examples/surfaces_app/child_app.cc
+++ b/mojo/examples/surfaces_app/child_app.cc
@@ -5,7 +5,9 @@
 #include "mojo/examples/surfaces_app/child_impl.h"
 #include "mojo/public/cpp/application/application_connection.h"
 #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/public/cpp/bindings/string.h"
 
 namespace mojo {
@@ -41,10 +43,10 @@ class ChildApp : public ApplicationDelegate, public InterfaceFactory<Child> {
 };
 
 }  // namespace examples
+}  // namespace mojo
 
-// static
-ApplicationDelegate* ApplicationDelegate::Create() {
-  return new examples::ChildApp();
+extern "C" APPLICATION_EXPORT MojoResult CDECL MojoMain(
+    MojoHandle shell_handle) {
+  return mojo::ApplicationRunnerChromium(
+      make_scoped_delegate(new mojo::examples::ChildApp())).Run(shell_handle);
 }
-
-}  // namespace mojo