sync: move invalidation version prefs out of SyncPrefs into InvalidatorStorage.

chrome/common/pref_names.h

 // 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.
 
 // Constants for the names of various preferences, for easier changing.
 
 #ifndef CHROME_COMMON_PREF_NAMES_H_
 #define CHROME_COMMON_PREF_NAMES_H_
 #pragma once
 
@@ skipping 556 matching lines @@
 extern const char kSyncSearchEngines[];
 extern const char kSyncSessions[];
 extern const char kSyncSuppressStart[];
 extern const char kGoogleServicesUsername[];
 extern const char kSyncUsingSecondaryPassphrase[];
 extern const char kSyncEncryptionBootstrapToken[];
 extern const char kSyncAcknowledgedSyncTypes[];
 extern const char kSyncMaxInvalidationVersions[];
 extern const char kSyncSessionsGUID[];
 
+extern const char kInvalidatorInvalidationState[];
+
 extern const char kSyncPromoStartupCount[];
 extern const char kSyncPromoViewCount[];
 extern const char kSyncPromoUserSkipped[];
 extern const char kSyncPromoShowOnFirstRunAllowed[];
 extern const char kSyncPromoShowNTPBubble[];
 
 extern const char kProfileGAIAInfoUpdateTime[];
 extern const char kProfileGAIAInfoPictureURL[];
 
 extern const char kWebAppCreateOnDesktop[];
@@ skipping 126 matching lines @@
 #endif
 
 extern const char kInManagedMode[];
 
 extern const char kNetworkProfileWarningsLeft[];
 extern const char kNetworkProfileLastWarningTime[];
 
 }  // namespace prefs
 
 #endif  // CHROME_COMMON_PREF_NAMES_H_