[Extensions] Make chrome://extensions use developerPrivate for packing crxs

chrome/browser/resources/extensions/extensions.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.
 
 <include src="../../../../ui/webui/resources/js/cr/ui/focus_row.js">
 <include src="../../../../ui/webui/resources/js/cr/ui/focus_grid.js">
 <include src="../uber/uber_utils.js">
 <include src="extension_code.js">
 <include src="extension_commands_overlay.js">
 <include src="extension_error_overlay.js">
@@ skipping 325 matching lines @@
     var instance = ExtensionSettings.getInstance();
     instance.displayPromo_ = extensionsData.promoteAppsDevTools;
     instance.updateDevControlsVisibility_(false);
 
     $('load-unpacked').disabled = extensionsData.loadUnpackedDisabled;
 
     ExtensionList.prototype.data_ = extensionsData;
     ExtensionList.decorate($('extension-settings-list'));
   };
 
-  // Indicate that warning |message| has occured for pack of |crx_path| and
-  // |pem_path| files.  Ask if user wants override the warning.  Send
-  // |overrideFlags| to repeated 'pack' call to accomplish the override.
-  ExtensionSettings.askToOverrideWarning =
-      function(message, crx_path, pem_path, overrideFlags) {
-    var closeAlert = function() {
-      ExtensionSettings.showOverlay(null);
-    };
-
-    alertOverlay.setValues(
-        loadTimeData.getString('packExtensionWarningTitle'),
-        message,
-        loadTimeData.getString('packExtensionProceedAnyway'),
-        loadTimeData.getString('cancel'),
-        function() {
-          chrome.send('pack', [crx_path, pem_path, overrideFlags]);
-          closeAlert();
-        },
-        closeAlert);
-    ExtensionSettings.showOverlay($('alertOverlay'));
-  };
-
   /**
    * Returns the current overlay or null if one does not exist.
    * @return {Element} The overlay element.
    */
   ExtensionSettings.getCurrentOverlay = function() {
     return document.querySelector('#overlay .page.showing');
   };
 
   /**
    * Sets the given overlay to show. This hides whatever overlay is currently
@@ skipping 83 matching lines @@
 
   // Export
   return {
     ExtensionSettings: ExtensionSettings
   };
 });
 
 window.addEventListener('load', function(e) {
   extensions.ExtensionSettings.getInstance().initialize();
 });