Add metrics for PasswordForm submission types

components/password_manager/core/browser/password_manager_metrics_util.h

Index: components/password_manager/core/browser/password_manager_metrics_util.h
diff --git a/components/password_manager/core/browser/password_manager_metrics_util.h b/components/password_manager/core/browser/password_manager_metrics_util.h
index 2fb1b73140487a3564f351cdef36bbca338046a6..20ba9cfcb4d85b6c431532e2d79864a7f4358bd0 100644
--- a/components/password_manager/core/browser/password_manager_metrics_util.h
+++ b/components/password_manager/core/browser/password_manager_metrics_util.h
@@ -9,6 +9,8 @@
 
 #include <string>
 
+#include "components/autofill/core/common/password_form.h"
+
 namespace password_manager {
 
 namespace metrics_util {
@@ -264,6 +266,10 @@ void LogShowedHttpNotSecureExplanation();
 // per main-frame navigation.
 void LogShowedFormNotSecureWarningOnCurrentNavigation();
 
+// Log a password successful submission event.
+void LogPasswordSuccessfulSubmissionIndicatorEvent(
+    autofill::PasswordForm::SubmissionIndicatorEvent event);
+
 }  // namespace metrics_util
 
 }  // namespace password_manager