Autofill server-side heuristics for 2 fields password form

chrome/renderer/autofill/form_autofill_browsertest.cc

 // Copyright (c) 2012 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.
 
 #include <stddef.h>
 
 #include <vector>
 
 #include "base/format_macros.h"
 #include "base/macros.h"
@@ skipping 4459 matching lines @@
       // be extracted. The is_formless_checkout attribute should
       // then be true.
       {"<INPUT type='text' id='firstname' autocomplete='given-name'/>"
        "<INPUT type='submit' value='Send'/>",
        true, false, false},
       // An input field without an autocomplete attribute outside of a form
       // should not be extracted.
       {"<INPUT type='text' id='firstname'/>"
        "<INPUT type='submit' value='Send'/>",
        false, false, false},
+      // A form with one field which is password should not be extracted.
+      {"<FORM name='TestForm' action='http://buh.com' method='post'>"
+       "  <INPUT type='password' id='pw'/>"
+       "</FORM>",
+       false, true, false},
+      // A form with two fields which are passwords should be extracted.
+      {"<FORM name='TestForm' action='http://buh.com' method='post'>"
+       "  <INPUT type='password' id='pw'/>"
+       "  <INPUT type='password' id='new_pw'/>"
+       "</FORM>",
+       true, true, false},
   };
 
   for (auto test_case : test_cases) {
     LoadHTML(test_case.html);
 
     WebFrame* web_frame = GetMainFrame();
     ASSERT_NE(nullptr, web_frame);
 
     FormCache form_cache(*web_frame);
     std::vector<FormData> forms = form_cache.ExtractNewForms();
     EXPECT_EQ(test_case.has_extracted_form, forms.size() == 1);
 
     if (test_case.has_extracted_form) {
       EXPECT_EQ(test_case.is_form_tag, forms[0].is_form_tag);
       EXPECT_EQ(test_case.is_formless_checkout, forms[0].is_formless_checkout);
     }
   }
 }
 
 }  // namespace form_util
 }  // namespace autofill