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

chrome/browser/profiles/profiles_state.h

Index: chrome/browser/profiles/profiles_state.h
diff --git a/chrome/browser/profiles/profiles_state.h b/chrome/browser/profiles/profiles_state.h
index 9f0178d3016e944b05635ce62acef2f9ceb37ff9..1ab917704a0d367bd13c6292000f70dec72a6c1a 100644
--- a/chrome/browser/profiles/profiles_state.h
+++ b/chrome/browser/profiles/profiles_state.h
@@ -12,6 +12,7 @@ class Browser;
 class PrefRegistrySimple;
 class Profile;
 namespace base { class FilePath; }
+namespace user_prefs { class PrefRegistrySyncable; }
 
 namespace profiles {
 
@@ -25,6 +26,9 @@ base::FilePath GetDefaultProfileDir(const base::FilePath& user_data_dir);
 // Register multi-profile related preferences in Local State.
 void RegisterPrefs(PrefRegistrySimple* registry);
 
+// Register per-profile tutorial preferences.
+void RegisterTutorialPrefs(user_prefs::PrefRegistrySyncable* registry);
+
 // Returns the display name of the active on-the-record profile (or guest)
 // used in the avatar button. If there is only one local profile present, it
 // will return IDS_SINGLE_PROFILE_DISPLAY_NAME, unless the profile has a