MD Settings: add extension-control indicator for autofill and password.

chrome/test/data/webui/settings/passwords_and_forms_browsertest.js

Index: chrome/test/data/webui/settings/passwords_and_forms_browsertest.js
diff --git a/chrome/test/data/webui/settings/passwords_and_forms_browsertest.js b/chrome/test/data/webui/settings/passwords_and_forms_browsertest.js
index 330d831bf9644e507c65b428601b1ab9f1375cd9..5d434a9a096293870a1b98c69aea7406d3d69914 100644
--- a/chrome/test/data/webui/settings/passwords_and_forms_browsertest.js
+++ b/chrome/test/data/webui/settings/passwords_and_forms_browsertest.js
@@ -275,6 +275,32 @@ TEST_F('PasswordsAndFormsBrowserTest', 'uiTests', function() {
         destroyPrefs(prefs);
       });
     });
+
+    test('testAutofillExtensionIndicator', function() {
+      return createPrefs(true, true).then(function(prefs) {
+        var element = createPasswordsAndFormsElement(prefs);
+
+        assertFalse(!!element.$$('#autofillExtensionIndicator'));
+        element.set('prefs.autofill.enabled.extensionId', 'test-id');
+        Polymer.dom.flush();
+
+        assertTrue(!!element.$$('#autofillExtensionIndicator'));
+        destroyPrefs(prefs);
+      });
+    });
+
+    test('testPasswordsExtensionIndicator', function() {
+      return createPrefs(true, true).then(function(prefs) {
+        var element = createPasswordsAndFormsElement(prefs);
+
+        assertFalse(!!element.$$('#passwordsExtensionIndicator'));
+        element.set('prefs.credentials_enable_service.extensionId', 'test-id');
+        Polymer.dom.flush();
+
+        assertTrue(!!element.$$('#passwordsExtensionIndicator'));
+        destroyPrefs(prefs);
+      });
+    });
   });
 
   mocha.run();