Eliminate Connector::Connect(), Connection, etc.

services/service_manager/background/tests/background_service_manager_unittest.cc

Index: services/service_manager/background/tests/background_service_manager_unittest.cc
diff --git a/services/service_manager/background/tests/background_service_manager_unittest.cc b/services/service_manager/background/tests/background_service_manager_unittest.cc
index e939e0e86e1bb54c4667efdb24c5feede6149dcb..3d9f43dee5b258e235c280a4253672443b31d34e 100644
--- a/services/service_manager/background/tests/background_service_manager_unittest.cc
+++ b/services/service_manager/background/tests/background_service_manager_unittest.cc
@@ -27,12 +27,6 @@ class ServiceImpl : public Service {
   ServiceImpl() {}
   ~ServiceImpl() override {}
 
-  // Service:
-  bool OnConnect(const ServiceInfo& remote_info,
-                 InterfaceRegistry* registry) override {
-    return false;
-  }
-
  private:
   DISALLOW_COPY_AND_ASSIGN(ServiceImpl);
 };