Add LayoutTest for a bug of Suborigin and MemoryCache and ForeignFetch

third_party/WebKit/LayoutTests/http/tests/security/suborigins/resources/suborigin-foreign-fetch-service-worker-worker.js

Index: third_party/WebKit/LayoutTests/http/tests/security/suborigins/resources/suborigin-foreign-fetch-service-worker-worker.js
diff --git a/third_party/WebKit/LayoutTests/http/tests/security/suborigins/resources/suborigin-foreign-fetch-service-worker-worker.js b/third_party/WebKit/LayoutTests/http/tests/security/suborigins/resources/suborigin-foreign-fetch-service-worker-worker.js
new file mode 100644
index 0000000000000000000000000000000000000000..985eeed620395ed797f84a439cef43c05abf9847
--- /dev/null
+++ b/third_party/WebKit/LayoutTests/http/tests/security/suborigins/resources/suborigin-foreign-fetch-service-worker-worker.js
@@ -0,0 +1,18 @@
+self.addEventListener('install', event => {
+  event.waitUntil(
+    event.registerForeignFetch({
+        scopes: ['./sw-scope/'],
+        origins: ['*']
+      }));
+});
+
+self.addEventListener('foreignfetch', event => {
+    console.log('foreignfetch');
+    event.respondWith(
+      {
+        response:
+          new Response('run(\'from foreignfetch\')',
+                       {headers: [['Content-Type', 'text/javascript'],
+                                  ['Cache-Control', 'max-age=86400']]})
+      });
+  });