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

mojo/services/test_service/test_request_tracker_application.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "mojo/services/test_service/test_request_tracker_application.h"
 
 #include <assert.h>
 
+#include "mojo/public/c/system/main.h"
 #include "mojo/public/cpp/application/application_connection.h"
+#include "mojo/public/cpp/application/application_runner.h"
 #include "mojo/services/test_service/test_time_service_impl.h"
 
 namespace mojo {
 namespace test {
 
 TestRequestTrackerApplication::TestRequestTrackerApplication()
     : test_tracked_request_factory_(&context_),
       test_request_tracker_factory_(&context_) {
 }
 
@@ skipping 10 matching lines @@
   return true;
 }
 
 void TestRequestTrackerApplication::Create(
     ApplicationConnection* connection,
     InterfaceRequest<TestTimeService> request) {
   BindToRequest(new TestTimeServiceImpl(connection), &request);
 }
 
 }  // namespace test
+}  // namespace mojo
 
-// static
-ApplicationDelegate* ApplicationDelegate::Create() {
-  return new test::TestRequestTrackerApplication();
+MojoResult MojoMain(MojoHandle shell_handle) {
+  mojo::ApplicationRunner runner(
+      new mojo::test::TestRequestTrackerApplication);
+  return runner.Run(shell_handle);
 }
-
-}  // namespace mojo