Prevent tests using data URLs from being broken by data URL deprecation

chrome/test/data/click_modifier/window_open.html

Index: chrome/test/data/click_modifier/window_open.html
diff --git a/chrome/test/data/click_modifier/window_open.html b/chrome/test/data/click_modifier/window_open.html
index f70ddfdbeb5f475f7662638b6bcf620d0478b6e0..19a2cce860ae3b0b95d384fa8964be1c6d0e0e23 100644
--- a/chrome/test/data/click_modifier/window_open.html
+++ b/chrome/test/data/click_modifier/window_open.html
@@ -3,8 +3,7 @@
 <title>First window</title>
 <script>
 function test() {
-  window.open("data:text/html,<title>New window!</title>" +
-      "this is the new window");
+  window.open("new_window.html");
 }
 </script>
 </head>
@@ -12,4 +11,3 @@ function test() {
 click modifier test page
 </body>
 </html>
-