Add recommended extension installation support

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 28 matching lines @@
  *            managedInstall: boolean,
  *            manifestErrors: (Array.<RuntimeError>|undefined),
  *            name: string,
  *            offlineEnabled: boolean,
  *            optionsOpenInTab: boolean,
  *            optionsUrl: string,
  *            order: number,
  *            packagedApp: boolean,
  *            path: (string|undefined),
  *            prettifiedPath: (string|undefined),
+ *            recommendedInstall: boolean,
  *            runtimeErrors: (Array.<RuntimeError>|undefined),
  *            suspiciousInstall: boolean,
  *            terminated: boolean,
  *            version: string,
  *            views: Array.<{renderViewId: number, renderProcessId: number,
  *                path: string, incognito: boolean,
  *                generatedBackgroundPage: boolean}>,
  *            wantsAllUrls: boolean,
  *            wantsErrorCollection: boolean,
  *            wantsFileAccess: boolean,
@@ skipping 104 matching lines @@
       var node = template.cloneNode(true);
       node.id = extension.id;
 
       if (!extension.enabled || extension.terminated)
         node.classList.add('inactive-extension');
 
       if (extension.managedInstall ||
           extension.dependentExtensions.length > 0) {
         node.classList.add('may-not-modify');
         node.classList.add('may-not-remove');
+      } else if (extension.recommendedInstall) {
+        node.classList.add('may-not-remove');
       } else if (extension.suspiciousInstall || extension.corruptInstall) {
         node.classList.add('may-not-modify');
       }
 
       var idToHighlight = this.getIdQueryParam_();
       if (node.id == idToHighlight)
         node.classList.add('extension-highlight');
 
       var item = node.querySelector('.extension-list-item');
       // Prevent the image cache of extension icon by using the reloaded
@@ skipping 205 matching lines @@
         loadPath.hidden = false;
         var pathLink = loadPath.querySelector('a:nth-of-type(1)');
         pathLink.textContent = ' ' + extension.prettifiedPath;
         pathLink.addEventListener('click', function(e) {
           chrome.send('extensionSettingsShowPath', [String(extension.id)]);
           e.preventDefault();
         });
       }
 
       // Then the 'managed, cannot uninstall/disable' message.
-      if (extension.managedInstall) {
+      if (extension.managedInstall || extension.recommendedInstall) {
         node.querySelector('.managed-message').hidden = false;
       } else {
         if (extension.suspiciousInstall) {
           // 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;
         }
@@ skipping 129 matching lines @@
       $('overlay').addEventListener('cancelOverlay', function() {
         this.optionsShown_ = false;
       }.bind(this));
     },
   };
 
   return {
     ExtensionsList: ExtensionsList
   };
 });