Import w3c tests for the service workers

third_party/WebKit/LayoutTests/imported/wpt/service-workers/cache-storage/script-tests/cache-storage.js

Index: third_party/WebKit/LayoutTests/imported/wpt/service-workers/cache-storage/script-tests/cache-storage.js
diff --git a/third_party/WebKit/LayoutTests/http/tests/cachestorage/script-tests/cache-storage.js b/third_party/WebKit/LayoutTests/imported/wpt/service-workers/cache-storage/script-tests/cache-storage.js
similarity index 86%
copy from third_party/WebKit/LayoutTests/http/tests/cachestorage/script-tests/cache-storage.js
copy to third_party/WebKit/LayoutTests/imported/wpt/service-workers/cache-storage/script-tests/cache-storage.js
index 673cf50f01ca85146983862c9de6bb81967c6002..594b01b5810cd8048550ac0567f924d695465b40 100644
--- a/third_party/WebKit/LayoutTests/http/tests/cachestorage/script-tests/cache-storage.js
+++ b/third_party/WebKit/LayoutTests/imported/wpt/service-workers/cache-storage/script-tests/cache-storage.js
@@ -1,5 +1,6 @@
 if (self.importScripts) {
     importScripts('/resources/testharness.js');
+    importScripts('../resources/testharness-helpers.js');
     importScripts('../resources/test-helpers.js');
 }
 
@@ -16,40 +17,6 @@ promise_test(function(t) {
   }, 'CacheStorage.open');
 
 promise_test(function(t) {
-    var cache_name = 'cache-storage/bar';
-    var first_cache = null;
-    var second_cache = null;
-    return self.caches.open(cache_name)
-      .then(function(cache) {
-          first_cache = cache;
-          return self.caches.delete(cache_name);
-        })
-      .then(function() {
-          return first_cache.add('../resources/simple.txt');
-        })
-      .then(function() {
-          return self.caches.keys();
-        })
-      .then(function(cache_names) {
-          assert_equals(cache_names.indexOf(cache_name), -1);
-          return self.caches.open(cache_name);
-        })
-      .then(function(cache) {
-          second_cache = cache;
-          return second_cache.keys();
-        })
-      .then(function(keys) {
-          assert_equals(keys.length, 0);
-          return first_cache.keys();
-        })
-      .then(function(keys) {
-          assert_equals(keys.length, 1);
-          // Clean up
-          return self.caches.delete(cache_name);
-        })
-  }, 'CacheStorage.delete dooms');
-
-promise_test(function(t) {
     // Note that this test may collide with other tests running in the same
     // origin that also uses an empty cache name.
     var cache_name = '';
@@ -64,10 +31,9 @@ promise_test(function(t) {
   }, 'CacheStorage.open with an empty name');
 
 promise_test(function(t) {
-    return promise_rejects(
-      t,
-      new TypeError(),
+    return assert_promise_rejects(
       self.caches.open(),
+      new TypeError(),
       'CacheStorage.open should throw TypeError if called with no arguments.');
   }, 'CacheStorage.open with no arguments');