Replace assert_promise_rejects with upstream promise_rejects.

third_party/WebKit/LayoutTests/http/tests/cachestorage/script-tests/cache-delete.js

 if (self.importScripts) {
     importScripts('/resources/testharness.js');
-    importScripts('/resources/testharness-helpers.js');
     importScripts('../resources/test-helpers.js');
 }
 
 var test_url = 'https://example.com/foo';
 
 // Construct a generic Request object. The URL is |test_url|. All other fields
 // are defaults.
 function new_test_request() {
   return new Request(test_url);
 }
 
 // Construct a generic Response object.
 function new_test_response() {
   return new Response('Hello world!', { status: 200 });
 }
 
-cache_test(function(cache) {
-    return assert_promise_rejects(
+cache_test(function(cache, test) {
+    return promise_rejects(
+      test,
+      new TypeError(),
       cache.delete(),
-      new TypeError(),
       'Cache.delete should reject with a TypeError when called with no ' +
       'arguments.');
   }, 'Cache.delete with no arguments');
 
 cache_test(function(cache) {
     return cache.put(new_test_request(), new_test_response())
       .then(function() {
           return cache.delete(test_url);
         })
       .then(function(result) {
@@ skipping 72 matching lines @@
           return cache.matchAll(entries.a_with_query.request,
                                 { ignoreSearch: true });
         })
       .then(function(result) {
           assert_response_array_equivalent(result, [ entries.a.response ]);
         });
   },
   'Cache.delete with ignoreSearch option (when it is specified as false)');
 
 done();