[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 a13e3211982af91d8857347c80bd9cfe5b24bfae..8ba6b937da2db3feca0d00bf80d8b613ba339a5f 100644
--- a/chrome/common/pref_names.h
+++ b/chrome/common/pref_names.h
@@ -376,6 +376,12 @@ 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[];
@@ -648,11 +654,6 @@ 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[];