diff -r 000000000000 -r 6474c204b198 mobile/android/base/sync/syncadapter/SyncService.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mobile/android/base/sync/syncadapter/SyncService.java	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,35 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+package org.mozilla.gecko.sync.syncadapter;
+
+import android.app.Service;
+import android.content.Intent;
+import android.os.IBinder;
+
+/**
+ * Service to handle Account sync. This is invoked with an intent with action
+ * ACTION_AUTHENTICATOR_INTENT. It instantiates the SyncAdaptor and returns its
+ * IBinder.
+ */
+public class SyncService extends Service {
+
+    private static final Object sSyncAdapterLock = new Object();
+
+    private static SyncAdapter sSyncAdapter = null;
+
+    @Override
+    public void onCreate() {
+        synchronized (sSyncAdapterLock) {
+            if (sSyncAdapter == null) {
+                sSyncAdapter = new SyncAdapter(getApplicationContext(), true);
+            }
+        }
+    }
+
+    @Override
+    public IBinder onBind(Intent intent) {
+        return sSyncAdapter.getSyncAdapterBinder();
+    }
+}