Fix onclick=form.submit(); onsubmit=return false to submit again (bug 192170), r=alexsavulov@netscape.com, sr=bzbarsky@mit.edu, a=asa

content/html/content/src/nsHTMLButtonElement.cpp

@@ -520,15 +520,6 @@ nsHTMLButtonElement::HandleDOMEvent(nsIPresContext* aPresContext,
       case NS_MOUSE_LEFT_CLICK:
         {
           if (mForm) {
-            if (mType == NS_FORM_BUTTON_SUBMIT) {
-              // tell the form to forget a possible pending submission.
-              // the reason is that the script returned true (the event was
-              // ignored) so if there is a stored submission, it will miss
-              // the name/value of the submitting element, thus we need
-              // to forget it and the form element will build a new one
-              mForm->ForgetPendingSubmission();
-            }
-
             if (mType == NS_FORM_BUTTON_SUBMIT || mType == NS_FORM_BUTTON_RESET) {
               nsFormEvent event;
               event.eventStructType = NS_FORM_EVENT;

content/html/content/src/nsHTMLInputElement.cpp

@@ -1709,14 +1709,7 @@ nsHTMLInputElement::HandleDOMEvent(nsIPresContext* aPresContext,
         {
           if (mForm && (oldType == NS_FORM_INPUT_SUBMIT ||
                         oldType == NS_FORM_INPUT_IMAGE)) {
-            if (mType == NS_FORM_INPUT_SUBMIT || mType == NS_FORM_INPUT_IMAGE) {
-              // tell the form to forget a possible pending submission.
-              // the reason is that the script returned true (the event was
-              // ignored) so if there is a stored submission, it will miss
-              // the name/value of the submitting element, thus we need
-              // to forget it and the form element will build a new one
-              mForm->ForgetPendingSubmission();
-            } else {
+            if (mType != NS_FORM_INPUT_SUBMIT && mType != NS_FORM_INPUT_IMAGE) {
               // If the type has changed to a non-submit type, then we want to
               // flush the stored submission if there is one (as if the submit()
               // was allowed to succeed)