dbus_example: Update libchrome APIs to r369476

The new libchrome has been ported from Chromium and some APIs have
changed. Make necessary changes at call sites.

Change-Id: I9de3130cc5c64a074b86d81d6980e4f7f6fbfc7a
diff --git a/dbus_example/dbus-example-daemon.cc b/dbus_example/dbus-example-daemon.cc
index b04464a..178a610 100644
--- a/dbus_example/dbus-example-daemon.cc
+++ b/dbus_example/dbus-example-daemon.cc
@@ -75,7 +75,7 @@
     dbus::MessageWriter writer(response.get());
     writer.AppendInt32(token);
     ALOGI("Replying to request with token %d", token);
-    response_sender.Run(response.Pass());
+    response_sender.Run(std::move(response));
   }
 
   scoped_refptr<dbus::Bus> bus_;