[ServiceWorker] CacheStorage tests.

LayoutTests/http/tests/serviceworker/resources/test-helpers.js

 // Adapter for testharness.js-style tests with Service Workers
 
 function service_worker_unregister_and_register(test, url, scope) {
     var options = scope ? { scope: scope } : {};
     return navigator.serviceWorker.unregister(scope).then(
         test.step_func(function() {
             return navigator.serviceWorker.register(url, options);
         }),
         unreached_rejection(test, 'Unregister should not fail')
     ).then(test.step_func(function(worker) {
@@ skipping 89 matching lines @@
           break;
         case tests[i].NOTRUN:
           // Leave NOTRUN alone. It'll get marked as a NOTRUN when the test
           // terminates.
           break;
       }
     }
   };
 
   function service_worker_test(url, description) {
-    var scope = window.location.origin + '/service-worker-scope/' +
+    var scope = window.location.origin + '/service-worker-scope' +
       window.location.pathname;
 
     var test = async_test(description);
     service_worker_unregister_and_register(test, url, scope)
       .then(function(worker) { return fetch_tests_from_worker(worker); })
       .then(function() { return navigator.serviceWorker.unregister(scope); })
       .then(function() { test.done(); })
       .catch(test.step_func(function(e) { throw e; }));
   };
 
@@ skipping 19 matching lines @@
         HTTP_ORIGIN: 'http://' + ORIGINAL_HOST + ':' + HTTP_PORT,
         HTTPS_ORIGIN: 'https://' + ORIGINAL_HOST + ':' + HTTPS_PORT,
         HTTP_REMOTE_ORIGIN: 'http://' + REMOTE_HOST + ':' + HTTP_PORT,
         HTTPS_REMOTE_ORIGIN: 'https://' + REMOTE_HOST + ':' + HTTPS_PORT
     };
 }
 
 function base_path() {
     return location.pathname.replace(/\/[^\/]*$/, '/');
 }