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

chrome/browser/resources/options/chromeos/change_picture_options.js

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 cr.define('options', function() {
   var Page = cr.ui.pageManager.Page;
   var PageManager = cr.ui.pageManager.PageManager;
   var UserImagesGrid = options.UserImagesGrid;
   var ButtonImages = UserImagesGrid.ButtonImages;
 
@@ skipping 306 matching lines @@
       for (var i = 0, data; data = imagesData[i]; i++) {
         var item = imageGrid.addItem(data.url, data.title);
         item.type = 'default';
         item.author = data.author || '';
         item.website = data.website || '';
       }
     },
   };
 
   // Forward public APIs to private implementations.
-  [
+  cr.makePublic(ChangePictureOptions, [
     'closeOverlay',
     'setCameraPresent',
     'setDefaultImages',
     'setOldImage',
     'setProfileImage',
     'setSelectedImage',
-  ].forEach(function(name) {
-    ChangePictureOptions[name] = function() {
-      var instance = ChangePictureOptions.getInstance();
-      return instance[name + '_'].apply(instance, arguments);
-    };
-  });
+  ]);
 
   // Export
   return {
     ChangePictureOptions: ChangePictureOptions
   };
 
 });