Correctly set requestor origin for worker initiated requests.

third_party/WebKit/LayoutTests/http/tests/serviceworker/foreign-fetch-basics.html

Index: third_party/WebKit/LayoutTests/http/tests/serviceworker/foreign-fetch-basics.html
diff --git a/third_party/WebKit/LayoutTests/http/tests/serviceworker/foreign-fetch-basics.html b/third_party/WebKit/LayoutTests/http/tests/serviceworker/foreign-fetch-basics.html
index 1f6c41bee3ed2f48784776836aee4af6ac62f2fc..6af205f83e1ef7b366759fabf8620bf406ee1278 100644
--- a/third_party/WebKit/LayoutTests/http/tests/serviceworker/foreign-fetch-basics.html
+++ b/third_party/WebKit/LayoutTests/http/tests/serviceworker/foreign-fetch-basics.html
@@ -113,6 +113,16 @@ promise_test(t => {
   }, 'Service Worker that fallback to network should fallback to network.');
 
 promise_test(t => {
+    var scope = 'fetch-access-control.php?fetch&ACAOrigin=*';
+    var remote_url =
+        host_info.HTTPS_REMOTE_ORIGIN + '/serviceworker/resources/' + scope;
+    return install_cross_origin_worker(t, worker_for_scopes(['']), scope)
+      .then(() => fetch(remote_url))
+      .then(response => response.text())
+      .then(response_text => assert_true(response_text.startsWith('report(')));
+  }, 'Service Worker that fetch from the network should fallback to network.');
+
+promise_test(t => {
     var scope = 'simple.txt?fallback';
     var remote_url =
         host_info.HTTPS_REMOTE_ORIGIN + '/serviceworker/resources/' + scope;