[Mojo Video Capture] Stop service when last client disconnects.

services/video_capture/service_main.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 "services/service_manager/public/c/main.h"
 #include "services/service_manager/public/cpp/service_runner.h"
-#include "services/video_capture/service_impl.h"
+#include "services/video_capture/service_manager_service_impl.h"
 
 MojoResult ServiceMain(MojoHandle service_request_handle) {
-  return service_manager::ServiceRunner(new video_capture::ServiceImpl())
+  return service_manager::ServiceRunner(
+             new video_capture::ServiceManagerServiceImpl())
       .Run(service_request_handle);
 }