mash: Exit the root process if the window manager service crashes

services/service_manager/background/tests/test_service.cc

Index: services/service_manager/background/tests/test_service.cc
diff --git a/services/service_manager/background/tests/test_service.cc b/services/service_manager/background/tests/test_service.cc
index 06a5cb514c881ab5cbf0b206e67ab8c8400c76a2..18de6bd105cab568ad34d35c7c39820f7d5186c6 100644
--- a/services/service_manager/background/tests/test_service.cc
+++ b/services/service_manager/background/tests/test_service.cc
@@ -7,10 +7,13 @@
 #include "services/service_manager/public/c/main.h"
 #include "services/service_manager/public/cpp/interface_registry.h"
 #include "services/service_manager/public/cpp/service.h"
+#include "services/service_manager/public/cpp/service_context.h"
 #include "services/service_manager/public/cpp/service_runner.h"
 
 namespace service_manager {
 
+// A service that exports a simple interface for testing. Used to test the
+// parent background service manager.
 class TestClient : public Service,
                    public InterfaceFactory<mojom::TestService>,
                    public mojom::TestService {
@@ -40,6 +43,8 @@ class TestClient : public Service,
     callback.Run();
   }
 
+  void Quit() override { context()->RequestQuit(); }
+
   mojo::BindingSet<mojom::TestService> bindings_;
 
   DISALLOW_COPY_AND_ASSIGN(TestClient);