Enumerate the return value of dispatchEvent so it is clear.

third_party/WebKit/Source/core/dom/Node.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, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ skipping 2026 matching lines @@
 
     fireEventListeners(&event);
 }
 
 void Node::dispatchScopedEvent(PassRefPtrWillBeRawPtr<Event> event)
 {
     event->setTrusted(true);
     EventDispatcher::dispatchScopedEvent(*this, event->createMediator());
 }
 
-bool Node::dispatchEventInternal(PassRefPtrWillBeRawPtr<Event> event)
+DispatchEventResult Node::dispatchEventInternal(PassRefPtrWillBeRawPtr<Event> event)
 {
     return EventDispatcher::dispatchEvent(*this, event->createMediator());
 }
 
 void Node::dispatchSubtreeModifiedEvent()
 {
     if (isInShadowTree())
         return;
 
     ASSERT(!EventDispatchForbiddenScope::isEventDispatchForbidden());
 
     if (!document().hasListenerType(Document::DOMSUBTREEMODIFIED_LISTENER))
         return;
 
     dispatchScopedEvent(MutationEvent::create(EventTypeNames::DOMSubtreeModified, true));
 }
 
-bool Node::dispatchDOMActivateEvent(int detail, PassRefPtrWillBeRawPtr<Event> underlyingEvent)
+DispatchEventResult Node::dispatchDOMActivateEvent(int detail, PassRefPtrWillBeRawPtr<Event> underlyingEvent)
 {
     ASSERT(!EventDispatchForbiddenScope::isEventDispatchForbidden());
     RefPtrWillBeRawPtr<UIEvent> event = UIEvent::create(EventTypeNames::DOMActivate, true, true, document().domWindow(), detail);
     event->setUnderlyingEvent(underlyingEvent);
     dispatchScopedEvent(event);
-    return event->defaultHandled();
+
+    // TODO(dtapuska): Dispatching scoped events shouldn't check the return
+    // type because the scoped event could get put off in the delayed queue.
+    return EventTarget::dispatchEventResult(*event);
 }
 
-bool Node::dispatchMouseEvent(const PlatformMouseEvent& nativeEvent, const AtomicString& eventType,
+DispatchEventResult Node::dispatchMouseEvent(const PlatformMouseEvent& nativeEvent, const AtomicString& eventType,
     int detail, Node* relatedTarget)
 {
     RefPtrWillBeRawPtr<MouseEvent> event = MouseEvent::create(eventType, document().domWindow(), nativeEvent, detail, relatedTarget);
     return dispatchEvent(event);
 }
 
 void Node::dispatchSimulatedClick(Event* underlyingEvent, SimulatedClickMouseEventOptions eventOptions, SimulatedClickCreationScope scope)
 {
     EventDispatcher::dispatchSimulatedClick(*this, underlyingEvent, eventOptions, scope);
 }
@@ skipping 14 matching lines @@
     if (event->target() != this)
         return;
     const AtomicString& eventType = event->type();
     if (eventType == EventTypeNames::keydown || eventType == EventTypeNames::keypress) {
         if (event->isKeyboardEvent()) {
             if (LocalFrame* frame = document().frame())
                 frame->eventHandler().defaultKeyboardEventHandler(toKeyboardEvent(event));
         }
     } else if (eventType == EventTypeNames::click) {
         int detail = event->isUIEvent() ? static_cast<UIEvent*>(event)->detail() : 0;
-        if (dispatchDOMActivateEvent(detail, event))
+        if (dispatchDOMActivateEvent(detail, event) != DispatchEventResult::NotCanceled)
             event->setDefaultHandled();
     } else if (eventType == EventTypeNames::contextmenu) {
         if (Page* page = document().page())
             page->contextMenuController().handleContextMenuEvent(event);
     } else if (eventType == EventTypeNames::textInput) {
         if (event->hasInterface(EventNames::TextEvent)) {
             if (LocalFrame* frame = document().frame())
                 frame->eventHandler().defaultTextInputEventHandler(toTextEvent(event));
         }
 #if OS(WIN)
@@ skipping 321 matching lines @@
 
 void showNodePath(const blink::Node* node)
 {
     if (node)
         node->showNodePathForThis();
     else
         fprintf(stderr, "Cannot showNodePath for (nil)\n");
 }
 
 #endif