[Password Manager] Presave the form with generated password till successful login

components/password_manager/content/browser/content_password_manager_driver.cc

Index: components/password_manager/content/browser/content_password_manager_driver.cc
diff --git a/components/password_manager/content/browser/content_password_manager_driver.cc b/components/password_manager/content/browser/content_password_manager_driver.cc
index 08bb4d9c6a5a86f93e01b91bfb43292cb9025c63..38129bf2a79faa3c65ba99cb36afa3eae93c6e5b 100644
--- a/components/password_manager/content/browser/content_password_manager_driver.cc
+++ b/components/password_manager/content/browser/content_password_manager_driver.cc
@@ -151,6 +151,8 @@ bool ContentPasswordManagerDriver::HandleMessage(const IPC::Message& message) {
   IPC_MESSAGE_HANDLER(AutofillHostMsg_PasswordFormSubmitted,
                       OnPasswordFormSubmitted)
   IPC_MESSAGE_HANDLER(AutofillHostMsg_InPageNavigation, OnInPageNavigation)
+  IPC_MESSAGE_HANDLER(AutofillHostMsg_PresaveGeneratedPassword,
+                      OnPresaveGeneratedPassword)
   IPC_MESSAGE_HANDLER(AutofillHostMsg_PasswordNoLongerGenerated,
                       OnPasswordNoLongerGenerated)
   IPC_MESSAGE_HANDLER(AutofillHostMsg_FocusedPasswordFormFound,
@@ -231,6 +233,15 @@ void ContentPasswordManagerDriver::OnInPageNavigation(
   GetPasswordManager()->OnInPageNavigation(this, password_form);
 }
 
+void ContentPasswordManagerDriver::OnPresaveGeneratedPassword(
+    const autofill::PasswordForm& password_form) {
+  if (!CheckChildProcessSecurityPolicy(
+          password_form.origin,
+          BadMessageReason::CPMD_BAD_ORIGIN_PRESAVE_GENERATED_PASSWORD))
+    return;
+  GetPasswordManager()->OnPresaveGeneratedPassword(password_form);
+}
+
 void ContentPasswordManagerDriver::OnPasswordNoLongerGenerated(
     const autofill::PasswordForm& password_form) {
   if (!CheckChildProcessSecurityPolicy(