Separate mojo/shell into a runner and the application manager (shell)

mojo/shell/android/ui_application_loader_android.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 SHELL_ANDROID_UI_APPLICATION_LOADER_ANDROID_H_
-#define SHELL_ANDROID_UI_APPLICATION_LOADER_ANDROID_H_
-
-#include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
-#include "mojo/shell/application_manager/application_loader.h"
-
-namespace base {
-class MessageLoop;
-}
-
-namespace mojo {
-namespace shell {
-
-class ApplicationManager;
-
-// ApplicationLoader implementation that creates a background thread and issues
-// load
-// requests there.
-class UIApplicationLoader : public ApplicationLoader {
- public:
-  UIApplicationLoader(scoped_ptr<ApplicationLoader> real_loader,
-                      base::MessageLoop* ui_message_loop);
-  ~UIApplicationLoader() override;
-
-  // ApplicationLoader overrides:
-  void Load(const GURL& url,
-            InterfaceRequest<Application> application_request) override;
-
- private:
-  class UILoader;
-
-  // 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 ApplicationManager
-  // isn't thread safe).
-  void LoadOnUIThread(const GURL& url,
-                      InterfaceRequest<Application> application_request);
-  void ShutdownOnUIThread();
-
-  scoped_ptr<ApplicationLoader> loader_;
-  base::MessageLoop* ui_message_loop_;
-
-  DISALLOW_COPY_AND_ASSIGN(UIApplicationLoader);
-};
-
-}  // namespace shell
-}  // namespace mojo
-
-#endif  // SHELL_ANDROID_UI_APPLICATION_LOADER_ANDROID_H_