Make the fuchsia mojo/public repo the source of truth.

mojo/public/java/application/src/org/chromium/mojo/application/ApplicationRunner.java

-// Copyright 2015 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.
-
-package org.chromium.mojo.application;
-
-import org.chromium.mojo.system.Core;
-import org.chromium.mojo.system.MessagePipeHandle;
-import org.chromium.mojo.system.RunLoop;
-
-/**
- * A utility for running an Application.
- *
- */
-public class ApplicationRunner {
-    /**
-     * Runs the delegate in a RunLoop.
-     *
-     * @param delegate Application specific functionality.
-     * @param core Core mojo interface.
-     * @param applicationRequest Handle for the application request.
-     */
-    public static void run(
-            ApplicationDelegate delegate, Core core, MessagePipeHandle applicationRequest) {
-        try (RunLoop runLoop = core.createDefaultRunLoop()) {
-            try (ApplicationImpl application =
-                            new ApplicationImpl(delegate, core, applicationRequest)) {
-                runLoop.run();
-            }
-        }
-    }
-}