[Password Manager] Show omnibox icon and anchored prompt once user start typing password

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 879f8e2f04c1276cb628d3a09f8e9f98fc2896ef..4533f0714385cfde6912bfe728fe39b50182b319 100644
--- a/components/password_manager/content/browser/content_password_manager_driver.cc
+++ b/components/password_manager/content/browser/content_password_manager_driver.cc
@@ -145,6 +145,19 @@ void ContentPasswordManagerDriver::ForceSavePassword() {
                  weak_factory_.GetWeakPtr()));
 }
 
+void ContentPasswordManagerDriver::ShowManualFallback(
+    const autofill::PasswordForm& password_form) {
+  if (!CheckChildProcessSecurityPolicy(
+          password_form.origin,
+          BadMessageReason::CPMD_BAD_ORIGIN_SHOW_FALLBACK_FOR_SAVING))
+    return;
+  GetPasswordManager()->ShowManualFallback(this, password_form);
+}
+
+void ContentPasswordManagerDriver::HideManualFallback() {
+  GetPasswordManager()->HideManualFallback();
+}
+
 void ContentPasswordManagerDriver::GeneratePassword() {
   GetPasswordGenerationAgent()->UserTriggeredGeneratePassword();
 }