Update web-platform-tests to revision 3f9178031eec5374c9a7d5709a7e11ba4a1955ed

tests/wpt/web-platform-tests/webstorage/idlharness.window.js

@@ -0,0 +1,30 @@
+// META: script=/resources/WebIDLParser.js
+// META: script=/resources/idlharness.js
+
+// http://www.w3.org/TR/webstorage/#storage
+
+idl_test(
+  [], [], // Srcs + deps manually handled below.
+  async idl_array => {
+    const [html, dom] = await Promise.all(['html', 'dom']
+        .map(i => fetch(`/interfaces/${i}.idl`).then(r => r.text())));
+    idl_array.add_idls(html, {
+      only: [
+        'Storage',
+        'WindowSessionStorage',
+        'WindowLocalStorage',
+        'StorageEvent',
+        'StorageEventInit',
+      ]});
+    idl_array.add_dependency_idls(dom);
+
+    idl_array.add_objects({
+      Storage: [
+        'localStorage',
+        'sessionStorage',
+      ],
+      StorageEvent: ['new StorageEvent("storage")']
+    });
+  },
+  'webstorage interfaces'
+);