[fsp] Separate logic for saving/restoring state to a separate class.

chrome/browser/prefs/browser_prefs.cc

 // Copyright 2012 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.
 
 #include "chrome/browser/prefs/browser_prefs.h"
 
 #include <string>
 
 #include "base/debug/trace_event.h"
 #include "base/metrics/histogram.h"
@@ skipping 134 matching lines @@
 #include "chrome/browser/ui/autofill/generated_credit_card_bubble_controller.h"
 #endif
 
 #if defined(OS_CHROMEOS)
 #include "chrome/browser/chromeos/app_mode/kiosk_app_manager.h"
 #include "chrome/browser/chromeos/attestation/platform_verification_flow.h"
 #include "chrome/browser/chromeos/audio/audio_devices_pref_handler_impl.h"
 #include "chrome/browser/chromeos/customization_document.h"
 #include "chrome/browser/chromeos/display/display_preferences.h"
 #include "chrome/browser/chromeos/extensions/echo_private_api.h"
-#include "chrome/browser/chromeos/file_system_provider/service.h"
+#include "chrome/browser/chromeos/file_system_provider/registry.h"
 #include "chrome/browser/chromeos/first_run/first_run.h"
 #include "chrome/browser/chromeos/login/default_pinned_apps_field_trial.h"
 #include "chrome/browser/chromeos/login/saml/saml_offline_signin_limiter.h"
 #include "chrome/browser/chromeos/login/session/user_session_manager.h"
 #include "chrome/browser/chromeos/login/startup_utils.h"
 #include "chrome/browser/chromeos/login/users/avatar/user_image_manager.h"
 #include "chrome/browser/chromeos/login/users/avatar/user_image_sync_observer.h"
 #include "chrome/browser/chromeos/login/users/chrome_user_manager_impl.h"
 #include "chrome/browser/chromeos/login/users/multi_profile_user_controller.h"
 #include "chrome/browser/chromeos/login/users/wallpaper/wallpaper_manager.h"
@@ skipping 521 matching lines @@
   zoom_level_prefs->ExtractPerHostZoomLevels(host_zoom_dictionary);
 
   // We're done migrating the profile per-host zoom level values, so we clear
   // them all.
   DictionaryPrefUpdate host_zoom_dictionary_update(
       prefs, prefs::kPerHostZoomLevelsDeprecated);
   host_zoom_dictionary_update->Clear();
 }
 
 }  // namespace chrome