Refactor preference syncing.

chrome/browser/browser_process_impl.cc

Index: chrome/browser/browser_process_impl.cc
diff --git a/chrome/browser/browser_process_impl.cc b/chrome/browser/browser_process_impl.cc
index 54d848ab413d77b90657b14bdc60cb648a36aad8..067ad8fbd315ffc901c8c85d482a332606143fa1 100644
--- a/chrome/browser/browser_process_impl.cc
+++ b/chrome/browser/browser_process_impl.cc
@@ -843,19 +843,24 @@ void BrowserProcessImpl::CreateLocalState() {
 
   // Make sure the the plugin updater gets notifications of changes
   // in the plugin policy lists.
-  local_state_->RegisterListPref(prefs::kPluginsDisabledPlugins);
+  local_state_->RegisterListPref(prefs::kPluginsDisabledPlugins,
+                                 false /* don't sync pref */);
   pref_change_registrar_.Add(prefs::kPluginsDisabledPlugins,
                              PluginUpdater::GetInstance());
-  local_state_->RegisterListPref(prefs::kPluginsDisabledPluginsExceptions);
+  local_state_->RegisterListPref(prefs::kPluginsDisabledPluginsExceptions,
+                                 false /* don't sync pref */);
   pref_change_registrar_.Add(prefs::kPluginsDisabledPluginsExceptions,
                              PluginUpdater::GetInstance());
-  local_state_->RegisterListPref(prefs::kPluginsEnabledPlugins);
+  local_state_->RegisterListPref(prefs::kPluginsEnabledPlugins,
+                                 false /* don't sync pref */);
   pref_change_registrar_.Add(prefs::kPluginsEnabledPlugins,
                              PluginUpdater::GetInstance());
 
   // Initialize and set up notifications for the printing enabled
   // preference.
-  local_state_->RegisterBooleanPref(prefs::kPrintingEnabled, true);
+  local_state_->RegisterBooleanPref(prefs::kPrintingEnabled,
+                                    true,
+                                    false /* don't sync pref */);
   bool printing_enabled =
       local_state_->GetBoolean(prefs::kPrintingEnabled);
   print_job_manager_->set_printing_enabled(printing_enabled);
@@ -864,7 +869,8 @@ void BrowserProcessImpl::CreateLocalState() {
 
   // Initialize the notification for the default browser setting policy.
   local_state_->RegisterBooleanPref(prefs::kDefaultBrowserSettingEnabled,
-                                    false);
+                                    false,
+                                    false /* don't sync pref */);
   if (local_state_->IsManagedPreference(prefs::kDefaultBrowserSettingEnabled)) {
     if (local_state_->GetBoolean(prefs::kDefaultBrowserSettingEnabled))
       ShellIntegration::SetAsDefaultBrowser();
@@ -873,14 +879,17 @@ void BrowserProcessImpl::CreateLocalState() {
 
   // Initialize the preference for the plugin finder policy.
   // This preference is only needed on the IO thread so make it available there.
-  local_state_->RegisterBooleanPref(prefs::kDisablePluginFinder, false);
+  local_state_->RegisterBooleanPref(prefs::kDisablePluginFinder,
+                                    false,
+                                    false /* don't sync pref */);
   plugin_finder_disabled_pref_.Init(prefs::kDisablePluginFinder,
                                    local_state_.get(), NULL);
   plugin_finder_disabled_pref_.MoveToThread(BrowserThread::IO);
 
   // Initialize the preference for the disabled schemes policy, and
   // load the initial policy on startup.
-  local_state_->RegisterListPref(prefs::kDisabledSchemes);
+  local_state_->RegisterListPref(prefs::kDisabledSchemes,
+                                 false /* don't sync pref */);
   disabled_schemes_pref_.Init(prefs::kDisabledSchemes, local_state_.get(),
                               this);
   ApplyDisabledSchemesPolicy();