Convert ConnectToApplication to take a params class

mojo/shell/application_manager_apptest.cc

Index: mojo/shell/application_manager_apptest.cc
diff --git a/mojo/shell/application_manager_apptest.cc b/mojo/shell/application_manager_apptest.cc
index c6b14a2714160b6d03b2542af641d554330b5796..8e01d0d250311c0b26b68e4fb4d70e1bd4477bbc 100644
--- a/mojo/shell/application_manager_apptest.cc
+++ b/mojo/shell/application_manager_apptest.cc
@@ -90,9 +90,8 @@ TEST_F(ApplicationManagerAppTest, CreateInstanceForHandle) {
   // 1. Launch a process. (Actually, have the runner launch a process that
   //    launches a process. #becauselinkerrors).
   mojo::shell::test::mojom::DriverPtr driver;
-  application_impl()->ConnectToService(
-      URLRequest::From(std::string("exe:application_manager_apptest_driver")),
-      &driver);
+  application_impl()->ConnectToService("exe:application_manager_apptest_driver",
+                                       &driver);
 
   // 2. Wait for it to connect to us. (via mojo:application_manager_apptests)
   base::MessageLoop::current()->Run();