Update managed user registration to allow updating the avatar

chrome/browser/managed_mode/managed_user_registration_utility.h

Index: chrome/browser/managed_mode/managed_user_registration_utility.h
diff --git a/chrome/browser/managed_mode/managed_user_registration_utility.h b/chrome/browser/managed_mode/managed_user_registration_utility.h
index 5a87a35fdc4161bcd3c7d521ba8bb9080f7224f2..d62aee27ad709e85f3e688f222b37bed0abafcb0 100644
--- a/chrome/browser/managed_mode/managed_user_registration_utility.h
+++ b/chrome/browser/managed_mode/managed_user_registration_utility.h
@@ -61,10 +61,12 @@ class ManagedUserRegistrationUtility {
   // Registers a new managed user with the server. |managed_user_id| is a new
   // unique ID for the new managed user. If its value is the same as that of
   // of one of the existing managed users, then the same user will be created
-  // on this machine. |info| contains necessary information like the display
-  // name of the  the user. |callback| is called with the result of the
-  // registration. We use the info here and not the profile, because on
-  // Chrome OS the profile of the managed user does not yet exist.
+  // on this machine (and if he has no avatar in sync, his avatar will
+  // be updated). |info| contains necessary information like
+  // the display name of the user and his avatar. |callback| is called
+  // with the result of the registration. We use the info here and not the
+  // profile, because on Chrome OS the profile of the managed user does not
+  // yet exist.
   virtual void Register(const std::string& managed_user_id,
                         const ManagedUserRegistrationInfo& info,
                         const RegistrationCallback& callback) = 0;