[Mac, Win] Only show the user manager tutorial if "See what's new" is clicked.

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 345 matching lines @@
 extern const char kImportSavedPasswords[];
 
 extern const char kProfileAvatarIndex[];
 extern const char kProfileName[];
 extern const char kSupervisedUserId[];
 
 extern const char kProfileGAIAInfoUpdateTime[];
 extern const char kProfileGAIAInfoPictureURL[];
 
 extern const char kProfileAvatarTutorialShown[];
-extern const char kProfileUserManagerTutorialShown[];
 
 extern const char kInvertNotificationShown[];
 
 extern const char kPrintingEnabled[];
 extern const char kPrintPreviewDisabled[];
 
 extern const char kDefaultSupervisedUserFilteringBehavior[];
 
 extern const char kSupervisedUserCreationAllowed[];
 extern const char kSupervisedUsers[];
@@ skipping 442 matching lines @@
 #if defined(OS_ANDROID)
 extern const char kPartnerBookmarkMappings[];
 #endif
 
 extern const char kQuickCheckEnabled[];
 extern const char kBrowserGuestModeEnabled[];
 
 }  // namespace prefs
 
 #endif  // CHROME_COMMON_PREF_NAMES_H_