Trigger Password Protection ping on username/password field on focus

chrome/renderer/autofill/password_autofill_agent_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 "components/autofill/content/renderer/password_autofill_agent.h"
 
 #include "base/macros.h"
 #include "base/run_loop.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
@@ skipping 2694 matching lines @@
   base::RunLoop().RunUntilIdle();
 
   // Chect that the form was submitted with in-page navigation.
   EXPECT_TRUE(fake_driver_.called_inpage_navigation());
   EXPECT_EQ(base::string16(),
             fake_driver_.password_form_inpage_navigation()->username_value);
   EXPECT_EQ(ASCIIToUTF16("random"),
             fake_driver_.password_form_inpage_navigation()->password_value);
 }
 
+#if defined(SAFE_BROWSING_DB_LOCAL)
+// Verify CheckSafeBrowsingReputation() is called when user starts filling
+// username or password field, and that this function is only called once.
+TEST_F(PasswordAutofillAgentTest,
+       CheckSafeBrowsingReputationWhenUserStartsFillingUsernamePassword) {
+  ASSERT_EQ(0, fake_driver_.called_check_safe_browsing_reputation_cnt());
+  // Simulate a click on password field to set its on focus,
+  // CheckSafeBrowsingReputation() should be called.
+  SimulateElementClick(kPasswordName);
+  base::RunLoop().RunUntilIdle();
+  EXPECT_EQ(1, fake_driver_.called_check_safe_browsing_reputation_cnt());
+
+  // Subsequent editing will not trigger CheckSafeBrowsingReputation.
+  SimulatePasswordChange("modify");
+  base::RunLoop().RunUntilIdle();
+  EXPECT_EQ(1, fake_driver_.called_check_safe_browsing_reputation_cnt());
+  SimulateElementClick(kUsernameName);
+  base::RunLoop().RunUntilIdle();
+  EXPECT_EQ(1, fake_driver_.called_check_safe_browsing_reputation_cnt());
+
+  // Navigate to another page and click on username field,
+  // CheckSafeBrowsingReputation() should be triggered again.
+  LoadHTML(kFormHTML);
+  SimulateElementClick(kUsernameName);
+  base::RunLoop().RunUntilIdle();
+  EXPECT_EQ(2, fake_driver_.called_check_safe_browsing_reputation_cnt());
+}
+#endif
 }  // namespace autofill