Split PrefService into PrefService, PrefServiceSimple and PrefServiceSyncable.

chrome/browser/chrome_browser_main.cc

 // Copyright (c) 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/chrome_browser_main.h"
 
 #if defined(TOOLKIT_GTK)
 #include <gtk/gtk.h>
 #endif
 
@@ skipping 213 matching lines @@
 PrefService* InitializeLocalState(
     base::SequencedTaskRunner* local_state_task_runner,
     const CommandLine& parsed_command_line,
     bool is_first_run) {
   FilePath local_state_path;
   PathService::Get(chrome::FILE_LOCAL_STATE, &local_state_path);
   bool local_state_file_exists = file_util::PathExists(local_state_path);
 
   // Load local state.  This includes the application locale so we know which
   // locale dll to load.
-  PrefService* local_state = g_browser_process->local_state();
+  PrefServiceSimple* local_state = g_browser_process->local_state();
   DCHECK(local_state);
 
   // TODO(brettw,*): this comment about ResourceBundle was here since
   // initial commit.  This comment seems unrelated, bit-rotten and
   // a candidate for removal.
   // Initialize ResourceBundle which handles files loaded from external
   // sources. This has to be done before uninstall code path and before prefs
   // are registered.
   local_state->RegisterStringPref(prefs::kApplicationLocale, std::string());
 #if defined(OS_CHROMEOS)
@@ skipping 25 matching lines @@
   // local state from the parent profile.
   // Checking that the local state file for the current profile doesn't exist
   // is the most robust way to determine whether we need to inherit or not
   // since the parent profile command line flag can be present even when the
   // current profile is not a new one, and in that case we do not want to
   // inherit and reset the user's setting.
   if (!local_state_file_exists &&
       parsed_command_line.HasSwitch(switches::kParentProfile)) {
     FilePath parent_profile =
         parsed_command_line.GetSwitchValuePath(switches::kParentProfile);
-    scoped_ptr<PrefService> parent_local_state(
-        ChromePrefServiceBuilder().CreateChromePrefs(
+    scoped_ptr<PrefServiceSimple> parent_local_state(
+        ChromePrefServiceBuilder().CreateLocalState(
             parent_profile,
             local_state_task_runner,
             g_browser_process->policy_service(),
             NULL, false));
     parent_local_state->RegisterStringPref(prefs::kApplicationLocale,
                                            std::string());
     // Right now, we only inherit the locale setting from the parent profile.
     local_state->SetString(
         prefs::kApplicationLocale,
         parent_local_state->GetString(prefs::kApplicationLocale));
@@ skipping 1374 matching lines @@
     if (base::win::GetVersion() <= base::win::VERSION_XP)
       uma_name += "_XP";
 
     uma_name += "_PreRead_";
     uma_name += pre_read_percentage;
     AddPreReadHistogramTime(uma_name.c_str(), time);
   }
 #endif
 #endif
 }