CacheStorage: caches.match with bad cacheName should resolve with undefined.

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

 if (self.importScripts) {
     importScripts('/resources/testharness.js');
     importScripts('../resources/test-helpers.js');
 }
 
 (function() {
   var next_index = 1;
 
   // Returns a transaction (request, response, and url) for a unique URL.
   function create_unique_transaction(test) {
@@ skipping 92 matching lines @@
 }, 'CacheStorageMatch with no cached entry');
 
 promise_test(function(test) {
     var transaction = create_unique_transaction();
     return self.caches.has('foo')
       .then(function(has_foo) {
           assert_false(has_foo, "The cache should not exist.");
           return self.caches.match(transaction.request, {cacheName: 'foo'});
         })
       .then(function(response) {
-          assert_unreached('The match with bad cache name should reject.');
-        })
-      .catch(function(err) {
-          assert_equals(err.name, 'NotFoundError',
-                        'The match should reject with NotFoundError.');
+          assert_equals(response, undefined,
+                        'The match with bad cache name should resolve to ' +
+                        'undefined.');
           return self.caches.has('foo');
         })
       .then(function(has_foo) {
           assert_false(has_foo, "The cache should still not exist.");
         })
 }, 'CacheStorageMatch with no caches available but name provided');
 
 done();