Remove PerAppSettingsService

chrome/browser/apps/per_app_settings_service.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 CHROME_BROWSER_APPS_PER_APP_SETTINGS_SERVICE_H_
-#define CHROME_BROWSER_APPS_PER_APP_SETTINGS_SERVICE_H_
-
-#include <map>
-#include <string>
-
-#include "base/macros.h"
-#include "chrome/browser/ui/host_desktop.h"
-#include "components/keyed_service/core/keyed_service.h"
-
-// Stores settings for apps that only persist until the browser context is
-// destroyed.
-class PerAppSettingsService : public KeyedService {
- public:
-  PerAppSettingsService();
-  ~PerAppSettingsService() override;
-
-  // Sets/gets the desktop that |app_id| was last launched from.
-  void SetDesktopLastLaunchedFrom(
-      const std::string& app_id, chrome::HostDesktopType host);
-  chrome::HostDesktopType GetDesktopLastLaunchedFrom(
-      const std::string& app_id) const;
-  bool HasDesktopLastLaunchedFrom(const std::string& app_id) const;
-
- private:
-  typedef std::map<std::string, chrome::HostDesktopType> DesktopMap;
-  DesktopMap default_desktops_;
-
-  DISALLOW_COPY_AND_ASSIGN(PerAppSettingsService);
-};
-
-#endif  // CHROME_BROWSER_APPS_PER_APP_SETTINGS_SERVICE_H_
-