Enumerate the return value of dispatchEvent so it is clear.

third_party/WebKit/Source/core/events/KeyboardEvent.cpp

Index: third_party/WebKit/Source/core/events/KeyboardEvent.cpp
diff --git a/third_party/WebKit/Source/core/events/KeyboardEvent.cpp b/third_party/WebKit/Source/core/events/KeyboardEvent.cpp
index 69320ad67bd3b44f2c259ca4747d90c87ecc8690..5b2d4769d5675f22bbcd9b58be175c68e5f60b45 100644
--- a/third_party/WebKit/Source/core/events/KeyboardEvent.cpp
+++ b/third_party/WebKit/Source/core/events/KeyboardEvent.cpp
@@ -193,30 +193,9 @@ void KeyboardEvent::initLocationModifiers(unsigned location)
     }
 }
 
-PassRefPtrWillBeRawPtr<EventDispatchMediator> KeyboardEvent::createMediator()
-{
-    return KeyboardEventDispatchMediator::create(this);
-}
-
 DEFINE_TRACE(KeyboardEvent)
 {
     UIEventWithKeyState::trace(visitor);
 }
 
-PassRefPtrWillBeRawPtr<KeyboardEventDispatchMediator> KeyboardEventDispatchMediator::create(PassRefPtrWillBeRawPtr<KeyboardEvent> event)
-{
-    return adoptRefWillBeNoop(new KeyboardEventDispatchMediator(event));
-}
-
-KeyboardEventDispatchMediator::KeyboardEventDispatchMediator(PassRefPtrWillBeRawPtr<KeyboardEvent> event)
-    : EventDispatchMediator(event)
-{
-}
-
-bool KeyboardEventDispatchMediator::dispatchEvent(EventDispatcher& dispatcher) const
-{
-    // Make sure not to return true if we already took default action while handling the event.
-    return EventDispatchMediator::dispatchEvent(dispatcher) && !event().defaultHandled();
-}
-
 } // namespace blink