Hide Shared Modules behind "Developer Mode"

chrome/browser/resources/extensions/extension_list.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="extension_error.js">
 
 /**
  * The type of the extension data object. The definition is based on
  * chrome/browser/ui/webui/extensions/extension_basic_info.cc
  * and
@@ skipping 407 matching lines @@
           // Then the 'This isn't from the webstore, looks suspicious' message.
           node.querySelector('.suspicious-install-message').hidden = false;
         }
         if (extension.corruptInstall) {
           // Then the 'This is a corrupt extension' message.
           node.querySelector('.corrupt-install-message').hidden = false;
         }
       }
 
       if (extension.dependentExtensions.length > 0) {
+        node.classList.add('developer-extras');
         var dependentMessage =
             node.querySelector('.dependent-extensions-message');
         dependentMessage.hidden = false;
         var dependentList = dependentMessage.querySelector('ul');
         var dependentTemplate = $('template-collection').querySelector(
             '.dependent-list-item');
         extension.dependentExtensions.forEach(function(elem) {
           var depNode = dependentTemplate.cloneNode(true);
           depNode.querySelector('.dep-extension-title').textContent = elem.name;
           depNode.querySelector('.dep-extension-id').textContent = elem.id;
@@ skipping 116 matching lines @@
       $('overlay').addEventListener('cancelOverlay', function() {
         this.optionsShown_ = false;
       }.bind(this));
     },
   };
 
   return {
     ExtensionsList: ExtensionsList
   };
 });