Make SignalSenderVerificationTest more robust

dbus/object_proxy.cc

Index: dbus/object_proxy.cc
diff --git a/dbus/object_proxy.cc b/dbus/object_proxy.cc
index c8f00d7cbc35bd200900fb8b93f55b2a96eae115..b6d2bf1e2cd5a018db970ff88f296b43add96b28 100644
--- a/dbus/object_proxy.cc
+++ b/dbus/object_proxy.cc
@@ -408,6 +408,12 @@ void ObjectProxy::OnConnected(OnConnectedCallback on_connected_callback,
   on_connected_callback.Run(interface_name, signal_name, success);
 }
 
+void ObjectProxy::SetNameOwnerChangedCallback(SignalCallback callback) {
+  bus_->AssertOnOriginThread();
+
+  name_owner_changed_callback_ = callback;
+}
+
 DBusHandlerResult ObjectProxy::HandleMessage(
     DBusConnection* connection,
     DBusMessage* raw_message) {
@@ -634,6 +640,8 @@ DBusHandlerResult ObjectProxy::HandleNameOwnerChanged(Signal* signal) {
         reader.PopString(&new_owner) &&
         name == service_name_) {
       service_name_owner_ = new_owner;
+      if (!name_owner_changed_callback_.is_null())
+        name_owner_changed_callback_.Run(signal);

[satorux1, 2012/11/13 07:00:39]

Let's not call this here as we are now on the D-Bus thread. Please post this to
the origin thread.

       return DBUS_HANDLER_RESULT_HANDLED;
     }
   }