Fix of password autofilling on hidden passwords forms.

chrome/browser/password_manager/password_manager_browsertest.cc

 // Copyright 2013 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 <string>
 
 #include "base/command_line.h"
 #include "base/metrics/histogram_samples.h"
 #include "base/metrics/statistics_recorder.h"
 #include "base/path_service.h"
@@ skipping 2534 matching lines @@
   auth_needed_observer.Wait();
 
   // The auth dialog caused a query to PasswordStore, make sure it was
   // processed.
   base::RunLoop run_loop2;
   run_loop2.RunUntilIdle();
 
   password_manager->RemoveObserver(&mock_login_model_observer);
 }
 
+// Test whether the password form which is loaded as hidden is autofilled
+// correctly. This happens very often in situations when in order to sign-in the
+// user clicks a sign-in button and a hidden passsword form becomes visible.
+// This test differs from AutofillSuggetionsForProblematicPasswordForm in that
+// the form is hidden and in that test only some fields are hidden.
+IN_PROC_BROWSER_TEST_F(PasswordManagerBrowserTestBase,
+                       AutofillSuggetionsHiddenPasswordForm) {
+  // At first let us save credentials to the PasswordManager.
+  scoped_refptr<password_manager::PasswordStore> password_store =
+      PasswordStoreFactory::GetForProfile(browser()->profile(),
+                                          ServiceAccessType::IMPLICIT_ACCESS);
+  autofill::PasswordForm login_form;
+  login_form.signon_realm = embedded_test_server()->base_url().spec();
+  login_form.action = embedded_test_server()->GetURL("/password/done.html");
+  login_form.username_value = base::ASCIIToUTF16("myusername");
+  login_form.password_value = base::ASCIIToUTF16("mypassword");
+  password_store->AddLogin(login_form);
+
+  // Logins are added asynchronously to the password store. Spin the message
+  // loop to make sure the |password_store| had a chance to store the
+  // |login_form|.
+  base::RunLoop run_loop;
+  run_loop.RunUntilIdle();
+
+  // Now, navigate to the hidden password form and verify whether username and
+  // password is autofilled.
+  NavigateToFile("/password/password_form.html");
+
+  // Let the user interact with the page, so that DOM gets modification events,
+  // needed for autofilling fields.
+  content::SimulateMouseClickAt(
+      WebContents(), 0, blink::WebMouseEvent::ButtonLeft, gfx::Point(1, 1));
+
+  std::string get_username =
+      "window.domAutomationController.send("
+      "  document.getElementById('hidden_password_form_username').value);";
+  std::string actual_username;
+  ASSERT_TRUE(content::ExecuteScriptAndExtractString(
+      RenderViewHost(), get_username, &actual_username));
+  EXPECT_EQ("myusername", actual_username);
+
+  std::string get_password =
+      "window.domAutomationController.send("
+      "  document.getElementById('hidden_password_form_password').value);";
+  std::string actual_password;
+  ASSERT_TRUE(content::ExecuteScriptAndExtractString(
+      RenderViewHost(), get_password, &actual_password));
+  EXPECT_EQ("mypassword", actual_password);
+}
+
 // Test whether the password form with the problematic invisible password field
 // gets autofilled correctly.
 IN_PROC_BROWSER_TEST_F(PasswordManagerBrowserTestBase,
                        AutofillSuggetionsForProblematicPasswordForm) {
   // At first let us save credentials to the PasswordManager.
   scoped_refptr<password_manager::PasswordStore> password_store =
       PasswordStoreFactory::GetForProfile(browser()->profile(),
                                           ServiceAccessType::IMPLICIT_ACCESS);
   autofill::PasswordForm login_form;
   login_form.signon_realm = embedded_test_server()->base_url().spec();
   login_form.action = embedded_test_server()->GetURL("/password/done.html");
   login_form.username_value = base::ASCIIToUTF16("myusername");
   login_form.password_value = base::ASCIIToUTF16("mypassword");
   password_store->AddLogin(login_form);
 
   // Logins are added asynchronously to the password store. Spin the message
   // loop to make sure the |password_store| had a chance to store the
   // |login_form|.
   base::RunLoop run_loop;
   run_loop.RunUntilIdle();
 
-  // Now, navigate to the password form having ambiguous Ids for username and
-  // password fields and verify whether username and password is autofilled.
+  // Now, navigate to the password form with a hidden password field and verify
+  // whether username and password is autofilled.
   NavigateToFile("/password/password_form.html");
 
   // Let the user interact with the page, so that DOM gets modification events,
   // needed for autofilling fields.
   content::SimulateMouseClickAt(
       WebContents(), 0, blink::WebMouseEvent::ButtonLeft, gfx::Point(1, 1));
 
   std::string get_username =
       "window.domAutomationController.send("
-      "  document.getElementById('username').value);";
+      "  document.getElementById('form_with_hidden_password_username').value);";
   std::string actual_username;
   ASSERT_TRUE(content::ExecuteScriptAndExtractString(
       RenderViewHost(), get_username, &actual_username));
   EXPECT_EQ("myusername", actual_username);
 
   std::string get_password =
       "window.domAutomationController.send("
-      "  document.getElementById('password').value);";
+      "  document.getElementById('form_with_hidden_password_password').value);";
   std::string actual_password;
   ASSERT_TRUE(content::ExecuteScriptAndExtractString(
       RenderViewHost(), get_password, &actual_password));
   EXPECT_EQ("mypassword", actual_password);
 }
 
 // Test whether the password form with the problematic invisible password field
 // in ambiguous password form gets autofilled correctly.
 IN_PROC_BROWSER_TEST_F(PasswordManagerBrowserTestBase,
                        AutofillSuggetionsForProblematicAmbiguousPasswordForm) {
@@ skipping 34 matching lines @@
   std::string get_password =
       "window.domAutomationController.send("
       "  document.getElementById('hidden_password_form').elements[2].value);";
   std::string actual_password;
   ASSERT_TRUE(content::ExecuteScriptAndExtractString(
       RenderViewHost(), get_password, &actual_password));
   EXPECT_EQ("mypassword", actual_password);
 }
 
 }  // namespace password_manager