Make it possible for SkyShell embedders to register services

sky/apk/demo/org/domokit/sky/demo/SkyDemoApplication.java

Index: sky/apk/demo/org/domokit/sky/demo/SkyDemoApplication.java
diff --git a/sky/apk/demo/org/domokit/sky/demo/SkyDemoApplication.java b/sky/apk/demo/org/domokit/sky/demo/SkyDemoApplication.java
new file mode 100644
index 0000000000000000000000000000000000000000..fff3ecd554d5057737d30ebb0f470ae55bc1374c
--- /dev/null
+++ b/sky/apk/demo/org/domokit/sky/demo/SkyDemoApplication.java
@@ -0,0 +1,31 @@
+// 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.domokit.sky.demo;
+
+import android.content.Context;
+
+import org.chromium.mojo.system.Core;
+import org.chromium.mojo.system.MessagePipeHandle;
+import org.chromium.mojom.sensors.SensorService;
+import org.domokit.sensors.SensorServiceImpl;
+import org.domokit.sky.shell.ServiceFactory;
+import org.domokit.sky.shell.ServiceRegistry;
+import org.domokit.sky.shell.SkyApplication;
+
+/**
+ * SkyDemo implementation of {@link android.app.Application}
+ */
+public class SkyDemoApplication extends SkyApplication {
+    @Override
+    public void onCreate() {
+        super.onCreate();
+
+        ServiceRegistry.SHARED.register(SensorService.MANAGER.getName(), new ServiceFactory() {

[eseidel, 2015/03/02 21:06:18]

SensorService.register(self);

[eseidel, 2015/03/02 21:06:18]

There must be a nicer way to do these.  But I guess we'll solve that in a later
CL.

+            public void connectToService(Context context, Core core, MessagePipeHandle pipe) {

[eseidel, 2015/03/02 21:06:18]

@Override?

[eseidel, 2015/03/02 21:06:18]

@Override?

[abarth-chromium, 2015/03/02 21:12:15]

Done.

+                new SensorServiceImpl(context, core, pipe);
+            }
+        });
+    }
+}