Import wpt@a7e9c2abcf65b78fcf1c246fec6681c74e1bc352

third_party/WebKit/LayoutTests/external/wpt/html/browsers/offline/application-cache-api/api_update.html

Index: third_party/WebKit/LayoutTests/external/wpt/html/browsers/offline/application-cache-api/api_update.html
diff --git a/third_party/WebKit/LayoutTests/external/wpt/html/browsers/offline/application-cache-api/api_update.html b/third_party/WebKit/LayoutTests/external/wpt/html/browsers/offline/application-cache-api/api_update.html
index 452daa711dfe032deae77ef0af0c850293590abb..0cb281fba5682e57de968ec77fba84e0212f7de1 100644
--- a/third_party/WebKit/LayoutTests/external/wpt/html/browsers/offline/application-cache-api/api_update.html
+++ b/third_party/WebKit/LayoutTests/external/wpt/html/browsers/offline/application-cache-api/api_update.html
@@ -11,12 +11,19 @@
     <script>
       var cache = window.applicationCache;
 
-      test(function() {
-        try {
+      async_test(function(t) {
+        var next = t.step_func(function() {
+          cache.onnoupdate = cache.oncached = null;
+
           cache.update()
-          assert_true(true, "update method test")
-        } catch (e) {
-          assert_unreached("update method failed.");
+
+          t.done();
+        });
+
+        if (cache.status === cache.IDLE) {
+          next();
+        } else {
+          cache.onnoupdate = cache.oncached = next;
         }
       });
     </script>