Remove uses of shell::Loader from content

content/common/mojo/static_loader.h

-// Copyright 2015 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 CONTENT_COMMON_MOJO_STATIC_APPLICATION_LOADER_H_
-#define CONTENT_COMMON_MOJO_STATIC_APPLICATION_LOADER_H_
-
-#include <list>
-
-#include "base/callback.h"
-#include "base/macros.h"
-#include "base/memory/weak_ptr.h"
-#include "services/shell/loader.h"
-
-namespace base {
-class SimpleThread;
-}
-
-namespace shell {
-class ShellClient;
-}
-
-namespace content {
-
-// An Loader which loads a single type of app from a given
-// shell::ShellClientFactory. A Load() request is fulfilled by creating an
-// instance of the app on a new thread. Only one instance of the app will run at
-// a time. Any Load requests received while the app is running will be dropped.
-class StaticLoader : public shell::Loader {
- public:
-  using ApplicationFactory =
-      base::Callback<std::unique_ptr<shell::ShellClient>()>;
-
-  // Constructs a static loader for |factory|.
-  explicit StaticLoader(const ApplicationFactory& factory);
-
-  // Constructs a static loader for |factory| with a closure that will be called
-  // when the loaded application quits.
-  StaticLoader(const ApplicationFactory& factory,
-                          const base::Closure& quit_callback);
-
-  ~StaticLoader() override;
-
-  // shell::Loader:
-  void Load(const std::string& name,
-            shell::mojom::ShellClientRequest request) override;
-
- private:
-  void StopAppThread();
-
-  // The factory used t create new instances of the application delegate.
-  ApplicationFactory factory_;
-
-  // If not null, this is run when the loaded application quits.
-  base::Closure quit_callback_;
-
-  // Thread for the application if currently running.
-  std::unique_ptr<base::SimpleThread> thread_;
-
-  base::WeakPtrFactory<StaticLoader> weak_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(StaticLoader);
-};
-
-}  // namespace content
-
-#endif  // CONTENT_COMMON_MOJO_STATIC_APPLICATION_LOADER_H_