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

mojo/services/html_viewer/html_viewer.cc

Index: mojo/services/html_viewer/html_viewer.cc
diff --git a/mojo/services/html_viewer/html_viewer.cc b/mojo/services/html_viewer/html_viewer.cc
index 0a018bb2f04b2a7b17ae1006fa356ffc9794ea17..b5409edf4f5d057d1fae18b779fca1db24bd81df 100644
--- a/mojo/services/html_viewer/html_viewer.cc
+++ b/mojo/services/html_viewer/html_viewer.cc
@@ -5,7 +5,9 @@
 #include "base/message_loop/message_loop.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/application/interface_factory_impl.h"
 #include "mojo/services/html_viewer/blink_platform_impl.h"
 #include "mojo/services/html_viewer/html_document_view.h"
@@ -108,9 +110,10 @@ void NavigatorImpl::Navigate(
   viewer_->Load(response_details.Pass());
 }
 
-// static
-ApplicationDelegate* ApplicationDelegate::Create() {
-  return new HTMLViewer;
-}
+}  // namespace mojo
 
+extern "C" APPLICATION_EXPORT MojoResult CDECL MojoMain(
+    MojoHandle shell_handle) {
+  return mojo::ApplicationRunnerChromium(
+      make_scoped_delegate(new mojo::HTMLViewer)).Run(shell_handle);
 }