Upstream service worker navigation tests to WPT

third_party/WebKit/LayoutTests/http/tests/serviceworker/resources/navigation-redirect-to-http-worker.js

-importScripts('/resources/testharness.js');
-
-self.addEventListener('fetch', function(event) {
-    event.respondWith(new Promise(function(resolve) {
-      Promise.resolve()
-        .then(function() {
-            assert_equals(
-                event.request.redirect, 'manual',
-                'The redirect mode of navigation request must be manual.');
-            return fetch(event.request);
-          })
-        .then(function(response) {
-            assert_equals(
-                response.type, 'opaqueredirect',
-                'The response type of 302 response must be opaqueredirect.');
-            resolve(new Response('OK'));
-          })
-        .catch(function(error) {
-            resolve(new Response('Failed in SW: ' + error));
-          });
-    }));
-  });