[Mac, Win] Show a user manager tutorial once per profile.

chrome/common/pref_names.h

Index: chrome/common/pref_names.h
diff --git a/chrome/common/pref_names.h b/chrome/common/pref_names.h
index 3536896341991624d86a3d5054e483475d9a6349..26c0e708e140c1367131ba0f54f9b0383726c77c 100644
--- a/chrome/common/pref_names.h
+++ b/chrome/common/pref_names.h
@@ -378,6 +378,12 @@ extern const char kProfileName[];
 extern const char kProfileIsManaged[];
 extern const char kManagedUserId[];
 
+extern const char kProfileGAIAInfoUpdateTime[];
+extern const char kProfileGAIAInfoPictureURL[];
+
+extern const char kProfileAvatarTutorialShown[];
+extern const char kProfileUserManagerTutorialShown[];
+
 extern const char kInvertNotificationShown[];
 
 extern const char kPrintingEnabled[];
@@ -649,11 +655,6 @@ extern const char kSignInPromoUserSkipped[];
 extern const char kSignInPromoShowOnFirstRunAllowed[];
 extern const char kSignInPromoShowNTPBubble[];
 
-extern const char kProfileAvatarTutorialShown[];
-
-extern const char kProfileGAIAInfoUpdateTime[];
-extern const char kProfileGAIAInfoPictureURL[];
-
 extern const char kWebAppCreateOnDesktop[];
 extern const char kWebAppCreateInAppsMenu[];
 extern const char kWebAppCreateInQuickLaunchBar[];