Add public API generation with cr.makePublic() and handle it in compiler pass

chrome/browser/resources/options/supervised_user_list_data.js

Index: chrome/browser/resources/options/supervised_user_list_data.js
diff --git a/chrome/browser/resources/options/supervised_user_list_data.js b/chrome/browser/resources/options/supervised_user_list_data.js
index f73feca63f0421b663ee1f78cf5363acea3aece2..812620e4e277a613b64092921007f22ead5fc248 100644
--- a/chrome/browser/resources/options/supervised_user_list_data.js
+++ b/chrome/browser/resources/options/supervised_user_list_data.js
@@ -134,19 +134,14 @@ cr.define('options', function() {
   };
 
   // Forward public APIs to private implementations.
-  [
+  cr.makePublic(SupervisedUserListData, [
     'addObserver',
     'onSigninError',
     'receiveExistingSupervisedUsers',
     'removeObserver',
     'requestExistingSupervisedUsers',
     'resetPromise',
-  ].forEach(function(name) {
-    SupervisedUserListData[name] = function() {
-      var instance = SupervisedUserListData.getInstance();
-      return instance[name + '_'].apply(instance, arguments);
-    };
-  });
+  ]);
 
   // Export
   return {