Simple multi-url support for mojo apps

sky/tools/tester/tester.cc

Index: sky/tools/tester/tester.cc
diff --git a/sky/tools/tester/tester.cc b/sky/tools/tester/tester.cc
index 631ca4e2604d900dd23c044b3323535969f098fa..e3a26be8d94a966443b5e99248308d4de6ca100a 100644
--- a/sky/tools/tester/tester.cc
+++ b/sky/tools/tester/tester.cc
@@ -75,8 +75,9 @@ class SkyTester : public mojo::ApplicationDelegate,
       url_from_args_ = impl->args()[1];
   }
   virtual bool ConfigureIncomingConnection(
-      mojo::ApplicationConnection* connection) override {
-    window_manager_app_->ConfigureIncomingConnection(connection);
+      mojo::ApplicationConnection* connection,
+      const std::string& url) override {
+    window_manager_app_->ConfigureIncomingConnection(connection, url);
     if (test_runner_)
       connection->AddService(test_runner_.get());
     return true;