Make form-not-secure controllable as its own separate Finch feature

components/autofill/core/browser/autofill_manager.cc

Index: components/autofill/core/browser/autofill_manager.cc
diff --git a/components/autofill/core/browser/autofill_manager.cc b/components/autofill/core/browser/autofill_manager.cc
index 6d12bb9117f517546454780af3b47b91d0ccdb67..89fd0e50ee552ccb7ed47df7a620563dc3340f28 100644
--- a/components/autofill/core/browser/autofill_manager.cc
+++ b/components/autofill/core/browser/autofill_manager.cc
@@ -62,6 +62,7 @@
 #include "components/prefs/pref_service.h"
 #include "components/rappor/public/rappor_utils.h"
 #include "components/rappor/rappor_service_impl.h"
+#include "components/security_state/core/security_state.h"
 #include "google_apis/gaia/identity_provider.h"
 #include "grit/components_strings.h"
 #include "ui/base/l10n/l10n_util.h"
@@ -599,7 +600,7 @@ void AutofillManager::OnQueryFormFieldAutofill(int query_id,
 
         // On top of the explanation message, first show a "Payment not secure"
         // message.
-        if (IsCreditCardAutofillHttpWarningEnabled()) {
+        if (security_state::IsHttpWarningInFormEnabled()) {
 #if !defined(OS_ANDROID)
           suggestions.insert(suggestions.begin(), Suggestion());
           suggestions.front().frontend_id = POPUP_ITEM_ID_SEPARATOR;