[Password Generation] Sends form classifier vote to autofill server

chrome/renderer/autofill/password_generation_agent_browsertest.cc

Index: chrome/renderer/autofill/password_generation_agent_browsertest.cc
diff --git a/chrome/renderer/autofill/password_generation_agent_browsertest.cc b/chrome/renderer/autofill/password_generation_agent_browsertest.cc
index ddce3ad1e1a5d40cee9f0a8136f33b20cc84e76b..2743a9af67ea17ca6e4986c687f9e66ec536edf7 100644
--- a/chrome/renderer/autofill/password_generation_agent_browsertest.cc
+++ b/chrome/renderer/autofill/password_generation_agent_browsertest.cc
@@ -72,6 +72,19 @@ class PasswordGenerationAgentTest : public ChromeRenderViewTest {
     render_thread_->sink().ClearMessages();
   }
 
+  void ExpectFormClassifierVoteReceived(
+      const base::string16& expected_generation_element) {
+    const IPC::Message* message =
+        render_thread_->sink().GetFirstMessageMatching(
+            AutofillHostMsg_SaveGenerationFieldDetectedByClassifier::ID);
+    ASSERT_TRUE(message);
+    std::tuple<autofill::PasswordForm, base::string16> actual_parameters;
+    AutofillHostMsg_SaveGenerationFieldDetectedByClassifier::Read(
+        message, &actual_parameters);
+    EXPECT_EQ(expected_generation_element, std::get<1>(actual_parameters));
+    render_thread_->sink().ClearMessages();
+  }
+
   void ShowGenerationPopUpManually(const char* element_id) {
     FocusField(element_id);
     AutofillMsg_UserTriggeredGeneratePassword msg(0);
@@ -647,4 +660,14 @@ TEST_F(PasswordGenerationAgentTest, PresavingGeneratedPassword) {
   }
 }
 
+TEST_F(PasswordGenerationAgentTest, FormClassifierVotesSignupForm) {
+  LoadHTMLWithUserGesture(kAccountCreationFormHTML);
+  ExpectFormClassifierVoteReceived(base::ASCIIToUTF16("first_password"));
+}
+
+TEST_F(PasswordGenerationAgentTest, FormClassifierVotesSigninForm) {
+  LoadHTMLWithUserGesture(kSigninFormHTML);
+  ExpectFormClassifierVoteReceived(base::string16());
+}
+
 }  // namespace autofill