[Autofill] Add FormEvent logging for "will submit form".

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 0ccf7d90feb92c60ca7d0ad4e271d7536f116b81..099cc6361ecabca5085d76efe5bcbf3491db47b1 100644
--- a/components/autofill/core/browser/autofill_manager.cc
+++ b/components/autofill/core/browser/autofill_manager.cc
@@ -328,8 +328,8 @@ bool AutofillManager::OnWillSubmitForm(const FormData& form,
   if (!submitted_form)
     return false;
 
-  address_form_event_logger_->OnDidSubmitForm();
-  credit_card_form_event_logger_->OnDidSubmitForm();
+  address_form_event_logger_->OnWillSubmitForm();
+  credit_card_form_event_logger_->OnWillSubmitForm();
 
   // Only upload server statistics and UMA metrics if at least some local data
   // is available to use as a baseline.
@@ -389,6 +389,9 @@ bool AutofillManager::OnFormSubmitted(const FormData& form) {
   if (!submitted_form)
     return false;
 
+  address_form_event_logger_->OnFormSubmitted();
+  credit_card_form_event_logger_->OnFormSubmitted();
+
   // Update Personal Data with the form's submitted data.
   if (submitted_form->IsAutofillable())
     ImportFormData(*submitted_form);