Refactor preference syncing.

chrome/browser/extensions/extension_prefs.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/extensions/extension_prefs.h"
 
 #include "base/string_number_conversions.h"
 #include "base/string_util.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/extensions/extension_pref_store.h"
@@ skipping 1526 matching lines @@
 bool ExtensionPrefs::HasIncognitoPrefValue(const std::string& pref_key) {
   bool has_incognito_pref_value = false;
   extension_pref_value_map_->GetEffectivePrefValue(pref_key,
                                                    true,
                                                    &has_incognito_pref_value);
   return has_incognito_pref_value;
 }
 
 // static
 void ExtensionPrefs::RegisterUserPrefs(PrefService* prefs) {
-  prefs->RegisterDictionaryPref(kExtensionsPref);
-  prefs->RegisterListPref(kExtensionToolbar);
-  prefs->RegisterIntegerPref(prefs::kExtensionToolbarSize, -1);
-  prefs->RegisterDictionaryPref(kExtensionsBlacklistUpdate);
-  prefs->RegisterListPref(prefs::kExtensionInstallAllowList);
-  prefs->RegisterListPref(prefs::kExtensionInstallDenyList);
-  prefs->RegisterListPref(prefs::kExtensionInstallForceList);
-  prefs->RegisterStringPref(kWebStoreLogin, std::string() /* default_value */);
+  prefs->RegisterDictionaryPref(kExtensionsPref, PrefService::UNSYNCABLE_PREF);
+  prefs->RegisterListPref(kExtensionToolbar, PrefService::UNSYNCABLE_PREF);
+  prefs->RegisterIntegerPref(prefs::kExtensionToolbarSize,
+                             -1,
+                             PrefService::UNSYNCABLE_PREF);
+  prefs->RegisterDictionaryPref(kExtensionsBlacklistUpdate,
+                                PrefService::UNSYNCABLE_PREF);
+  prefs->RegisterListPref(prefs::kExtensionInstallAllowList,
+                          PrefService::UNSYNCABLE_PREF);
+  prefs->RegisterListPref(prefs::kExtensionInstallDenyList,
+                          PrefService::UNSYNCABLE_PREF);
+  prefs->RegisterListPref(prefs::kExtensionInstallForceList,
+                          PrefService::UNSYNCABLE_PREF);
+  prefs->RegisterStringPref(kWebStoreLogin,
+                            std::string() /* default_value */,
+                            PrefService::UNSYNCABLE_PREF);
 }