NaCl plugin: Make ServiceRuntime::Shutdown() kill the NaCl loader

components/nacl/renderer/plugin/service_runtime.h

 /* -*- c++ -*- */
 /*
  * Copyright (c) 2012 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.
  */
 
 // A class containing information regarding a socket connection to a
 // service runtime instance.
 
@@ skipping 22 matching lines @@
       : url(url),
         file_info(file_info),
         process_type(process_type) {
   }
   std::string url;
   PP_NaClFileInfo file_info;
   PP_NaClAppProcessType process_type;
 };
 
 //  ServiceRuntime abstracts a NativeClient sel_ldr instance.
+// TODO(dschuff): Merge this with NaClSubprocess, since, that now only contains
+// a ServiceRuntime.
 class ServiceRuntime {
  public:
   ServiceRuntime(Plugin* plugin,
                  PP_Instance pp_instance,
                  bool main_service_runtime,
                  bool uses_nonsfi_mode);
   // The destructor terminates the sel_ldr process.
   ~ServiceRuntime();
 
   // Spawn the sel_ldr instance.
@@ skipping 16 matching lines @@
   bool uses_nonsfi_mode_;
 
   std::unique_ptr<IPC::SyncChannel> translator_channel_;
 
   DISALLOW_COPY_AND_ASSIGN(ServiceRuntime);
 };
 
 }  // namespace plugin
 
 #endif  // COMPONENTS_NACL_RENDERER_PLUGIN_SERVICE_RUNTIME_H_