Remove unnecessary logic from UpdateScreen

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_
 
 #include <stddef.h>
@@ skipping 669 matching lines @@
 extern const char kDeviceDMToken[];
 extern const char kTimesHIDDialogShown[];
 extern const char kUsersLastInputMethod[];
 extern const char kEchoCheckedOffers[];
 extern const char kCachedMultiProfileUserBehavior[];
 extern const char kInitialLocale[];
 extern const char kOobeComplete[];
 extern const char kOobeScreenPending[];
 extern const char kOobeMdMode[];
 extern const char kOobeControllerDetected[];
-extern const char kOobeTimeOfLastUpdateCheckWithoutUpdate[];
 extern const char kCanShowOobeGoodiesPage[];
 extern const char kDeviceRegistered[];
 extern const char kEnrollmentRecoveryRequired[];
 extern const char kUsedPolicyCertificates[];
 extern const char kServerBackedDeviceState[];
 extern const char kCustomizationDefaultWallpaperURL[];
 extern const char kLogoutStartedLast[];
 extern const char kConsumerManagementStage[];
 extern const char kIsBootstrappingSlave[];
 extern const char kReportArcStatusEnabled[];
@@ skipping 228 matching lines @@
 extern const char kClipboardLastModifiedTime[];
 #endif
 
 #if BUILDFLAG(ENABLE_OFFLINE_PAGES)
 extern const char kOfflinePrefetchBackoff[];
 #endif
 
 }  // namespace prefs
 
 #endif  // CHROME_COMMON_PREF_NAMES_H_