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

services/service_manager/tests/connect/connect_test_singleton_app.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/macros.h"
 #include "services/service_manager/public/c/main.h"
 #include "services/service_manager/public/cpp/service.h"
 #include "services/service_manager/public/cpp/service_runner.h"
 
 namespace service_manager {
 
 class ConnectTestSingletonApp : public Service {
  public:
   ConnectTestSingletonApp() {}
   ~ConnectTestSingletonApp() override {}
 
  private:
-  // service_manager::Service:
-  bool OnConnect(const ServiceInfo& remote_info,
-                 InterfaceRegistry* registry) override {
-    return true;
-  }
-
   DISALLOW_COPY_AND_ASSIGN(ConnectTestSingletonApp);
 };
 
 }  // namespace service_manager
 
 MojoResult ServiceMain(MojoHandle service_request_handle) {
   service_manager::ServiceRunner runner(
       new service_manager::ConnectTestSingletonApp);
   return runner.Run(service_request_handle);
 }