Upstream WebAPK notification related code

chrome/android/webapk/shell_apk/src/org/chromium/webapk/shell_apk/WebApkServiceFactory.java

Index: chrome/android/webapk/shell_apk/src/org/chromium/webapk/shell_apk/WebApkServiceFactory.java
diff --git a/chrome/android/webapk/shell_apk/src/org/chromium/webapk/shell_apk/WebApkServiceFactory.java b/chrome/android/webapk/shell_apk/src/org/chromium/webapk/shell_apk/WebApkServiceFactory.java
new file mode 100644
index 0000000000000000000000000000000000000000..9bc602db7669e8b66fb23266a35506ef75c806ff
--- /dev/null
+++ b/chrome/android/webapk/shell_apk/src/org/chromium/webapk/shell_apk/WebApkServiceFactory.java
@@ -0,0 +1,22 @@
+// Copyright 2016 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.webapk.shell_apk;
+
+import android.app.Service;
+import android.content.Intent;
+import android.os.IBinder;
+
+import org.chromium.webapk.lib.runtime_library.WebApkServiceImpl;
+
+/**
+ * Implements services offered by the WebAPK to Chrome.
+ */
+public class WebApkServiceFactory extends Service {
+
+    @Override
+    public IBinder onBind(Intent intent) {
+        return new WebApkServiceImpl(this, R.drawable.app_icon);
+    }
+}