Trigger Password Protection ping on username/password field on focus

chrome/renderer/autofill/password_autofill_agent_browsertest.cc

Index: chrome/renderer/autofill/password_autofill_agent_browsertest.cc
diff --git a/chrome/renderer/autofill/password_autofill_agent_browsertest.cc b/chrome/renderer/autofill/password_autofill_agent_browsertest.cc
index 4b618b0be2427062996015f68d2dca5737469b68..a9b789a8163e3ae4f041a9e098f5f6ad15db3361 100644
--- a/chrome/renderer/autofill/password_autofill_agent_browsertest.cc
+++ b/chrome/renderer/autofill/password_autofill_agent_browsertest.cc
@@ -329,6 +329,7 @@ class PasswordAutofillAgentTest : public ChromeRenderViewTest {
   void TearDown() override {
     username_element_.Reset();
     password_element_.Reset();
+    dummy_element_.Reset();
     ChromeRenderViewTest::TearDown();
   }
 
@@ -377,6 +378,7 @@ class PasswordAutofillAgentTest : public ChromeRenderViewTest {
     element = document.GetElementById(WebString::FromUTF8(kPasswordName));
     ASSERT_FALSE(element.IsNull());
     password_element_ = element.To<blink::WebInputElement>();
+    dummy_element_ = element.To<blink::WebInputElement>();
   }
 
   blink::WebInputElement GetInputElementByID(const std::string& id) {
@@ -391,6 +393,8 @@ class PasswordAutofillAgentTest : public ChromeRenderViewTest {
     username_element_.SetAutofilled(false);
     password_element_.SetValue("");
     password_element_.SetAutofilled(false);
+    dummy_element_.SetValue("");
+    dummy_element_.SetAutofilled(false);
   }
 
   void SimulateSuggestionChoice(WebInputElement& username_input) {
@@ -595,6 +599,7 @@ class PasswordAutofillAgentTest : public ChromeRenderViewTest {
 
   WebInputElement username_element_;
   WebInputElement password_element_;
+  WebInputElement dummy_element_;
   base::test::ScopedFeatureList scoped_feature_list_;
 
  private:
@@ -2712,4 +2717,33 @@ TEST_F(PasswordAutofillAgentTest, InPageNavigationSubmissionUsernameIsEmpty) {
             fake_driver_.password_form_inpage_navigation()->password_value);
 }
 
+#if defined(SAFE_BROWSING_DB_LOCAL)
+// Verify CheckSafeBrowsingReputation() is called when user start filling
+// username or password field, and 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 is 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