mojo: terminate apps if the shell goes away

mojo/service_manager/background_shell_service_loader.h

 // Copyright 2014 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.
 
 #ifndef MOJO_SERVICE_MANAGER_BACKGROUND_SHELL_SERVICE_LOADER_H_
 #define MOJO_SERVICE_MANAGER_BACKGROUND_SHELL_SERVICE_LOADER_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "base/synchronization/waitable_event.h"
@@ skipping 14 matching lines @@
                                base::MessageLoop::Type message_loop_type);
   virtual ~BackgroundShellServiceLoader();
 
   // ServiceLoader overrides:
   virtual void LoadService(ServiceManager* manager,
                            const GURL& url,
                            ScopedMessagePipeHandle shell_handle) OVERRIDE;
   virtual void OnServiceError(ServiceManager* manager,
                               const GURL& url) OVERRIDE;
 
-  // Post a task to quit the MessageLoop we are running for the app when we
-  // are destroyed. Most apps should quit themselves and not need this.
-  // TODO(tim): Remove this method once applications are smart enough
-  // to quit themselves. Bug 394477.
-  void set_quit_on_shutdown() { quit_on_shutdown_ = true; }
-
  private:
   class BackgroundLoader;
 
   // |base::DelegateSimpleThread::Delegate| method:
   virtual void Run() OVERRIDE;
 
   // These functions are exected on the background thread. They call through
   // to |background_loader_| to do the actual loading.
   // TODO: having this code take a |manager| is fragile (as ServiceManager isn't
   // thread safe).
@@ skipping 23 matching lines @@
 
   // Lives on |thread_|. Trivial interface that calls through to |loader_|.
   BackgroundLoader* background_loader_;
 
   DISALLOW_COPY_AND_ASSIGN(BackgroundShellServiceLoader);
 };
 
 }  // namespace mojo
 
 #endif  // MOJO_SERVICE_MANAGER_BACKGROUND_SHELL_SERVICE_LOADER_H_