Enumerate the return value of dispatchEvent so it is clear.

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

Index: third_party/WebKit/Source/core/events/PointerEvent.cpp
diff --git a/third_party/WebKit/Source/core/events/PointerEvent.cpp b/third_party/WebKit/Source/core/events/PointerEvent.cpp
index f3971cc1464937f7a081c6d96b4babcb1784f5f4..fd601a3f734254b20b1d29e98a06655234193c96 100644
--- a/third_party/WebKit/Source/core/events/PointerEvent.cpp
+++ b/third_party/WebKit/Source/core/events/PointerEvent.cpp
@@ -83,21 +83,20 @@ PointerEvent& PointerEventDispatchMediator::event() const
     return toPointerEvent(EventDispatchMediator::event());
 }
 
-bool PointerEventDispatchMediator::dispatchEvent(EventDispatcher& dispatcher) const
+DispatchEventResult PointerEventDispatchMediator::dispatchEvent(EventDispatcher& dispatcher) const
 {
     if (isDisabledFormControl(&dispatcher.node()))
-        return false;
+        return DispatchEventResult::CanceledBeforeDispatch;
 
     if (event().type().isEmpty())
-        return true; // Shouldn't happen.
+        return DispatchEventResult::NotCanceled; // Shouldn't happen.
 
     ASSERT(!event().target() || event().target() != event().relatedTarget());
 
     EventTarget* relatedTarget = event().relatedTarget();
     event().eventPath().adjustForRelatedTarget(dispatcher.node(), relatedTarget);
 
-    dispatcher.dispatch();
-    return !event().defaultHandled() && !event().defaultPrevented();
+    return dispatcher.dispatch();
 }
 
 } // namespace blink