Enumerate the return value of dispatchEvent so it is clear.

third_party/WebKit/Source/core/html/HTMLFormElement.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
  *           (C) 2006 Alexey Proskuryakov (ap@nypop.com)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
@@ skipping 309 matching lines @@
 
     // Interactive validation must be done before dispatching the submit event.
     if (!skipValidation && !validateInteractively())
         return;
 
     m_isSubmittingOrInUserJSSubmitEvent = true;
     m_shouldSubmit = false;
 
     frame->loader().client()->dispatchWillSendSubmitEvent(this);
 
-    if (dispatchEvent(Event::createCancelableBubble(EventTypeNames::submit)))
+    if (dispatchEvent(Event::createCancelableBubble(EventTypeNames::submit)) == WebInputEventResult::NotHandled)
         m_shouldSubmit = true;
 
     m_isSubmittingOrInUserJSSubmitEvent = false;
 
     if (m_shouldSubmit)
         submit(event, true, true);
 }
 
 void HTMLFormElement::submitFromJavaScript()
 {
@@ skipping 100 matching lines @@
 }
 
 void HTMLFormElement::reset()
 {
     LocalFrame* frame = document().frame();
     if (m_isInResetFunction || !frame)
         return;
 
     m_isInResetFunction = true;
 
-    if (!dispatchEvent(Event::createCancelableBubble(EventTypeNames::reset))) {
+    if (dispatchEvent(Event::createCancelableBubble(EventTypeNames::reset)) != WebInputEventResult::NotHandled) {
         m_isInResetFunction = false;
         return;
     }
 
     const FormAssociatedElement::List& elements = associatedElements();
     for (unsigned i = 0; i < elements.size(); ++i) {
         if (elements[i]->isFormControlElement())
             toHTMLFormControlElement(elements[i])->reset();
     }
 
@@ skipping 361 matching lines @@
 }
 
 void HTMLFormElement::setDemoted(bool demoted)
 {
     if (demoted)
         UseCounter::count(document(), UseCounter::DemotedFormElement);
     m_wasDemoted = demoted;
 }
 
 } // namespace