Revert of Define printer configuration objects for Chrome OS.

chrome/browser/chromeos/printing/printer_pref_manager.h

-// Copyright 2016 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_CHROMEOS_PRINTING_PRINTER_PREF_MANAGER_H_
-#define CHROME_BROWSER_CHROMEOS_PRINTING_PRINTER_PREF_MANAGER_H_
-
-#include <memory>
-#include <vector>
-
-#include "chromeos/printing/printer_configuration.h"
-#include "chromeos/printing/printer_translator.h"
-
-class Profile;
-
-namespace user_prefs {
-class PrefRegistrySyncable;
-}
-
-namespace chromeos {
-
-class PrinterPrefManager {
- public:
-  explicit PrinterPrefManager(Profile* profile);
-
-  // Register the printing preferences with the |registry|.
-  static void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry);
-
-  // Returns the printers that are saved in preferences.
-  std::vector<std::unique_ptr<Printer>> GetPrinters() const;
-
-  // Adds or updates a printer. Printers are identified by the id field.  Use an
-  // empty id to add a new printer.
-  void RegisterPrinter(std::unique_ptr<Printer> printer);
-
- private:
-  Profile* profile_;
-};
-
-}  // namespace chromeos
-
-#endif  // CHROME_BROWSER_CHROMEOS_PRINTING_PRINTER_PREF_MANAGER_H_