MD Settings: Remove remaining importHtml() calls from site settings tests.

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

 // Copyright 2015 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.
 
 /** @fileoverview Suite of tests for site-details. */
 cr.define('site_details', function() {
   function registerTests() {
     suite('SiteDetails', function() {
       /**
        * A site list element created before each test.
@@ skipping 90 matching lines @@
             {
               embeddingOrigin: 'https://foo-allow.com:443',
               origin: 'https://foo-allow.com:443',
               setting: 'allow',
               source: 'preference',
             },
           ],
         }
       };
 
-      // Import necessary html before running suite.
-      suiteSetup(function() {
-        return PolymerTest.importHtml(
-            'chrome://md-settings/site_settings/site_details.html'
-            );
-      });
-
       // Initialize a site-details before each test.
       setup(function() {
         browserProxy = new TestSiteSettingsPrefsBrowserProxy();
         settings.SiteSettingsPrefsBrowserProxyImpl.instance_ = browserProxy;
         PolymerTest.clearBody();
         testElement = document.createElement('site-details');
         document.body.appendChild(testElement);
       });
 
       test('empty state', function() {
@@ skipping 73 matching lines @@
 
         //expect usage to be rendered
         assertTrue(!!testElement.$$('#usage'));
       });
     });
   }
   return {
     registerTests: registerTests,
   };
 });