Persist "Save password" infobars across redirects

chrome/test/data/password/password_form.html

Index: chrome/test/data/password/password_form.html
diff --git a/chrome/test/data/password/password_form.html b/chrome/test/data/password/password_form.html
index daf92c2c05c8df0bf80f0eda6c0ae125dcfeb703..6f194b30f7842248839d1bf2e2f2f15a31528a8e 100644
--- a/chrome/test/data/password/password_form.html
+++ b/chrome/test/data/password/password_form.html
@@ -23,6 +23,12 @@
   <input type="submit" name="input_submit_button_no_id">
 </form>
 
+<form method="POST" action="redirect.html" id="redirectform">
+  <input type="text" id="username_redirect" name="username_redirect">
+  <input type="password" id="password_redirect" name="password_redirect">
+  <input type="submit" id="submit_redirect" name="submit_redirect">
+</form>
+
 <!--
 Don't add anything inside this form, and don't change the order of the
 elements. Because the elements have no "id" or "name" attributes, the test