Add a counter for clicking on Form-Not-Secure warnings

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 2df5d745624f28a58afc5b7658024b3a0ad8e158..23886b56745cb8a70456817a173e33b52a666e3e 100644
--- a/components/password_manager/core/browser/password_manager_metrics_util.h
+++ b/components/password_manager/core/browser/password_manager_metrics_util.h
@@ -242,6 +242,10 @@ void LogPasswordReuse(int password_length,
                       int number_matches,
                       bool password_field_detected);
 
+// Log when the user selects the Form-Not-Secure warning to show more

[vasilii, 2017/02/02 13:33:01]

"Login not secure"?
Selects where? in the passwords drop-down or in the omnibox too?

[estark, 2017/02/02 21:51:25]

Just the dropdown. Clarified the comment.

+// information about the warning.
+void LogShowedHttpNotSecureExplanation();
+
 }  // namespace metrics_util
 
 }  // namespace password_manager