Refactor preference syncing.

chrome/browser/browser_main.cc

 // Copyright (c) 2011 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/browser_main.h"
 
 #include <algorithm>
 #include <string>
 #include <vector>
 
@@ skipping 727 matching lines @@
   // locale dll to load.
   PrefService* 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());
+  local_state->RegisterStringPref(prefs::kApplicationLocale,
+                                  std::string(),
+                                  true /* sync pref */);
 #if defined(OS_CHROMEOS)
-  local_state->RegisterStringPref(prefs::kOwnerLocale, std::string());
+  local_state->RegisterStringPref(prefs::kOwnerLocale,
+                                  std::string(),
+                                  false /* don't sync pref */);
   local_state->RegisterStringPref(prefs::kHardwareKeyboardLayout,
-                                  std::string());
+                                  std::string(),
+                                  false /* don't sync pref */);
 #endif  // defined(OS_CHROMEOS)
 #if !defined(OS_CHROMEOS)
-  local_state->RegisterBooleanPref(prefs::kMetricsReportingEnabled,
-      GoogleUpdateSettings::GetCollectStatsConsent());
+  local_state->RegisterBooleanPref(
+      prefs::kMetricsReportingEnabled,
+      GoogleUpdateSettings::GetCollectStatsConsent(),
+      false /* don't sync pref */);
 #endif  // !defined(OS_CHROMEOS)
 
   if (is_first_run) {
 #if defined(OS_WIN)
     // During first run we read the google_update registry key to find what
     // language the user selected when downloading the installer. This
     // becomes our default language in the prefs.
     // Other platforms obey the system locale.
     std::wstring install_lang;
     if (GoogleUpdateSettings::GetLanguage(&install_lang)) {
@@ skipping 11 matching lines @@
   // 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(
         PrefService::CreatePrefService(parent_profile, NULL, NULL));
     parent_local_state->RegisterStringPref(prefs::kApplicationLocale,
-                                           std::string());
+                                           std::string(),
+                                           true /* sync pref */);
     // Right now, we only inherit the locale setting from the parent profile.
     local_state->SetString(
         prefs::kApplicationLocale,
         parent_local_state->GetString(prefs::kApplicationLocale));
   }
 
 #if defined(OS_CHROMEOS)
   if (parsed_command_line.HasSwitch(switches::kLoginManager)) {
     std::string owner_locale = local_state->GetString(prefs::kOwnerLocale);
     // Ensure that we start with owner's locale.
@@ skipping 1125 matching lines @@
 #if defined(OS_CHROMEOS)
   // To be precise, logout (browser shutdown) is not yet done, but the
   // remaining work is negligible, hence we say LogoutDone here.
   chromeos::BootTimesLoader::Get()->AddLogoutTimeMarker("LogoutDone",
                                                         false);
   chromeos::BootTimesLoader::Get()->WriteLogoutTimes();
 #endif
   TRACE_EVENT_END("BrowserMain", 0, 0);
   return result_code;
 }