dbus::ObjectManager: Add a match rule for properties before GetManagedObjects.

dbus/test_service.cc

Index: dbus/test_service.cc
diff --git a/dbus/test_service.cc b/dbus/test_service.cc
index 96fa8bced98764ff043b0c2b66023972ed98747c..c976c3786b53dafa77431a7b656bc36fef233a0c 100644
--- a/dbus/test_service.cc
+++ b/dbus/test_service.cc
@@ -24,7 +24,7 @@ void EmptyCallback(bool /* success */) {
 namespace dbus {
 
 // Echo, SlowEcho, AsyncEcho, BrokenMethod, GetAll, Get, Set, PerformAction,
-// GetManagedObjects.
+// GetManagedObjects
 const int TestService::kNumMethodsToExport = 9;
 
 TestService::Options::Options()
@@ -160,6 +160,10 @@ void TestService::ReleaseOwnershipInternal(
       callback);
 }
 
+void TestService::SetSendImmediatePropertiesChanged() {
+  send_immediate_properties_changed_ = true;
+}
+
 void TestService::OnExported(const std::string& interface_name,
                              const std::string& method_name,
                              bool success) {
@@ -471,11 +475,13 @@ void TestService::PerformAction(
     return;
   }
 
-  if (action == "AddObject")
+  if (action == "AddObject") {
     AddObject(object_path);
-  else if (action == "RemoveObject")
+  } else if (action == "RemoveObject") {
     RemoveObject(object_path);
-  else if (action == "ReleaseOwnership") {
+  } else if (action == "SetSendImmediatePropertiesChanged") {
+    SetSendImmediatePropertiesChanged();
+  } if (action == "ReleaseOwnership") {
     ReleaseOwnership(base::Bind(&TestService::PerformActionResponse,
                                 base::Unretained(this),
                                 method_call, response_sender));
@@ -556,6 +562,9 @@ void TestService::GetManagedObjects(
   writer.CloseContainer(&array_writer);
 
   response_sender.Run(response.Pass());
+
+  if (send_immediate_properties_changed_)
+    SendPropertyChangedSignal("ChangedTestServiceName");
 }
 
 void TestService::AddPropertiesToWriter(MessageWriter* writer) {