[ServiceWorker] CacheStorage tests.

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

 // Adapter for testharness.js-style tests with Service Workers
 
 // Can only be used with a worker that installs successfully, since it
 // first registers to acquire a ServiceWorkerRegistration object to
 // unregister.
 // FIXME: Use getRegistration() when implemented.
 function service_worker_unregister_and_register(test, url, scope) {
   if (!scope || scope.length == 0)
     return Promise.reject(new Error('tests must define a scope'));
 
@@ skipping 103 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(registration) {
           return wait_for_update(test, registration);
         })
       .then(function(worker) { return fetch_tests_from_worker(worker); })
       .then(function() { return navigator.serviceWorker.unregister(scope); })
       .then(function() { test.done(); })
@@ skipping 22 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(/\/[^\/]*$/, '/');
 }