add a test app using notification provider API

chrome/test/data/extensions/api_test/notification_provider/test_app/styles.css

Index: chrome/test/data/extensions/api_test/notification_provider/test_app/styles.css
diff --git a/native_client_sdk/src/libraries/nacl_io/include/memory.h b/chrome/test/data/extensions/api_test/notification_provider/test_app/styles.css
similarity index 60%
copy from native_client_sdk/src/libraries/nacl_io/include/memory.h
copy to chrome/test/data/extensions/api_test/notification_provider/test_app/styles.css
index 2a656a2dc89e83fcc85a9137d43742677b1f31e3..adc7e17c69597536897b11cff882e1c07eac89f9 100644
--- a/native_client_sdk/src/libraries/nacl_io/include/memory.h
+++ b/chrome/test/data/extensions/api_test/notification_provider/test_app/styles.css
@@ -1,10 +1,12 @@
-/* Copyright (c) 2014 The Chromium Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file. */
-
-#ifndef LIBRARIES_NACL_IO_INCLUDE_MEMORY_H_
-#define LIBRARIES_NACL_IO_INCLUDE_MEMORY_H_
-
-#include <string.h>
-
-#endif
+/* Copyright (c) 2014 The Chromium Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file. */
+
+h1 {
+  margin-top: 0
+}
+
+body {
+  font-family: "Open Sans", Helvetica, Arial;
+  font-size: 10pt;
+}