Switch to TimeDelta interface for TestTimeouts in dbus code.

dbus/test_service.cc

Index: dbus/test_service.cc
diff --git a/dbus/test_service.cc b/dbus/test_service.cc
index 986ebd6f92de8eb598090a31fdbcbd29546626a9..ee1befb630a3766c21cd86fa8d2de3f7873590ac 100644
--- a/dbus/test_service.cc
+++ b/dbus/test_service.cc
@@ -42,9 +42,7 @@ bool TestService::StartService() {
 }
 
 bool TestService::WaitUntilServiceIsStarted() {
-  const base::TimeDelta timeout(
-      base::TimeDelta::FromMilliseconds(
-          TestTimeouts::action_max_timeout_ms()));
+  const base::TimeDelta timeout(TestTimeouts::action_max_timeout());
   // Wait until all methods are exported.
   return on_all_methods_exported_.TimedWait(timeout);
 }