message: test(common): remove unused import in xsrf spec
  PR Close
diff: * found in the LICENSE file at https://angular.io/license
  */
  -import {HttpHandler} from '../src/backend';
  import {HttpHeaders} from '../src/headers';
  import {HttpRequest} from '../src/request';
  import {HttpXsrfCookieExtractor, HttpXsrfInterceptor} from '../src/xsrf';
  