Improve messaging for shared modules on chrome://extensions

chrome/browser/resources/extensions/extension_list.js

Index: chrome/browser/resources/extensions/extension_list.js
diff --git a/chrome/browser/resources/extensions/extension_list.js b/chrome/browser/resources/extensions/extension_list.js
index b3a8f29cc23c10157479827b2551a56ffac472db..050466574d5746cdeb94dbf8eacbb1c25a9b4f53 100644
--- a/chrome/browser/resources/extensions/extension_list.js
+++ b/chrome/browser/resources/extensions/extension_list.js
@@ -85,7 +85,7 @@ cr.define('options', function() {
       if (!extension.enabled || extension.terminated)
         node.classList.add('inactive-extension');
 
-      if (extension.managedInstall) {
+      if (extension.managedInstall || extension.managedSharedModule) {
         node.classList.add('may-not-modify');
         node.classList.add('may-not-remove');
       } else if (extension.suspiciousInstall || extension.corruptInstall) {
@@ -238,7 +238,8 @@ cr.define('options', function() {
         enable.hidden = false;
         var managedOrHosedExtension = extension.managedInstall ||
                                       extension.suspiciousInstall ||
-                                      extension.corruptInstall;
+                                      extension.corruptInstall ||
+                                      extension.managedSharedModule;
         enable.querySelector('input').disabled = managedOrHosedExtension;
 
         if (!managedOrHosedExtension) {
@@ -312,6 +313,17 @@ cr.define('options', function() {
         }
       }
 
+      if (extension.is_shared_module && extension.dependents.length > 0) {
+        var sharedModule = node.querySelector('.shared-module-message');
+        sharedModule.hidden = false;
+        var sharedModuleList = sharedModule.querySelector('ul');
+        extension.dependents.forEach(function(id) {
+          var li = document.createElement('li');
+          li.innerText = id;
+          sharedModuleList.appendChild(li);
+        });
+      }
+
       // Then active views.
       if (extension.views.length > 0) {
         var activeViews = node.querySelector('.active-views');