Automated test case for crbug.com/687863.

ios/testing/data/http_server_files/window_open.html

Index: ios/testing/data/http_server_files/window_open.html
diff --git a/ios/testing/data/http_server_files/window_open.html b/ios/testing/data/http_server_files/window_open.html
index c604f38fdcdeb5ccc0fe5cdf5754c4098fd2f29c..77ccf86255542f45cb049ec1dedf7b32ffe42c7e 100644
--- a/ios/testing/data/http_server_files/window_open.html
+++ b/ios/testing/data/http_server_files/window_open.html
@@ -128,6 +128,18 @@ found in the LICENSE file. -->
     <td>about:blank opened in a new window, with an href and a preventDefault<br></td>
   </tr>
 
+  <tr id="_webScenarioWindowOpenWithAboutNewTabScript">
+    <td>
+      <a href="data:text/html,<script>window.location='about:newtab';</script>"
+         target="_blank"
+         name="webScenarioWindowOpenWithAboutNewTabScript"
+         id="webScenarioWindowOpenWithAboutNewTabScript">
+        webScenarioWindowOpenWithAboutNewTabScript
+      </a>
+    </td>
+    <td>about:blank opened in a new window, using "window.location='about:newtab" script<br></td>
+  </tr>
+
   <tr id="_webScenarioWindowOpenAndSetLocation">
     <td>
       <script>