Make required dictionary members non-nullable again

third_party/WebKit/LayoutTests/http/tests/serviceworker/resources/foreign-fetch-event-worker.js

Index: third_party/WebKit/LayoutTests/http/tests/serviceworker/resources/foreign-fetch-event-worker.js
diff --git a/third_party/WebKit/LayoutTests/http/tests/serviceworker/resources/foreign-fetch-event-worker.js b/third_party/WebKit/LayoutTests/http/tests/serviceworker/resources/foreign-fetch-event-worker.js
new file mode 100644
index 0000000000000000000000000000000000000000..a778ed1f581c308bc5c247ca0dcd8f418cffa049
--- /dev/null
+++ b/third_party/WebKit/LayoutTests/http/tests/serviceworker/resources/foreign-fetch-event-worker.js
@@ -0,0 +1,31 @@
+self.addEventListener('install', function(event) {
+    test(function() {
+        assert_throws(new TypeError(), function() {
+            new ForeignFetchEvent('type');
+          });
+      }, 'ForeignFetchEvent constructor with no init dict');
+
+    test(function() {
+        assert_throws(new TypeError(), function() {
+            new ForeignFetchEvent('type', {});
+          });
+      }, 'ForeignFetchEvent constructor with empty init dict');
+
+    test(function() {
+        assert_throws(new TypeError(), function() {
+            new ForeignFetchEvent('type', { request: null });
+          });
+      }, 'ForeignFetchEvent constructor with null request');
+
+    test(function() {
+        var request = new Request('https://www.example.com/');
+        var event = new ForeignFetchEvent('type', { request: request, origin: 'origin' });
+        assert_equals(event.type, 'type');
+        assert_equals(event.request, request);
+        assert_equals(event.origin, 'origin');
+      }, 'ForeignFetchEvent constructor with all init dict members');
+  });
+
+// Import testharness after install handler to make sure our install handler
+// runs first. Otherwise only one test will run.
+importScripts('../../resources/testharness.js');