Enumerate the return value of dispatchEvent so it is clear.

third_party/WebKit/Source/core/input/EventHandler.h

 /*
  * Copyright (C) 2006, 2007, 2009, 2010, 2011 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 161 matching lines @@
     // FIXME: This doesn't appear to be used outside tests anymore, what path are we using now and is it tested?
     bool bestZoomableAreaForTouchPoint(const IntPoint& touchCenter, const IntSize& touchRadius, IntRect& targetArea, Node*& targetNode);
 
     WebInputEventResult sendContextMenuEvent(const PlatformMouseEvent&, Node* overrideTargetNode = nullptr);
     WebInputEventResult sendContextMenuEventForKey(Element* overrideTargetElement = nullptr);
     WebInputEventResult sendContextMenuEventForGesture(const GestureEventWithHitTestResults&);
 
     void setMouseDownMayStartAutoscroll() { m_mouseDownMayStartAutoscroll = true; }
 
     static WebInputEventResult mergeEventResult(WebInputEventResult resultA, WebInputEventResult resultB);
-    static WebInputEventResult eventToEventResult(PassRefPtrWillBeRawPtr<Event>, bool);
+    static WebInputEventResult eventDispatchResultToWebInputEventResult(EventTarget::DispatchEventResult);

[tkent, 2016/02/22 01:40:22]

nit: In the current convention, this function can be named as
|toWebInputEventResult|.

[dtapuska, 2016/02/23 19:14:40]

Done.

 
     static PlatformEvent::Modifiers accessKeyModifiers();
     bool handleAccessKey(const PlatformKeyboardEvent&);
     WebInputEventResult keyEvent(const PlatformKeyboardEvent&);
     void defaultKeyboardEventHandler(KeyboardEvent*);
 
     bool handleTextInputEvent(const String& text, Event* underlyingEvent = nullptr, TextEventInputType = TextEventInputKeyboard);
     void defaultTextInputEventHandler(TextEvent*);
 
     void dragSourceEndedAt(const PlatformMouseEvent&, DragOperation);
@@ skipping 263 matching lines @@
     // scroll which shouldn't propagate can't cause any element to
     // scroll other than the |m_previousGestureScrolledNode|.
     bool m_deltaConsumedForScrollSequence;
 };
 
 } // namespace blink
 
 WTF_ALLOW_INIT_WITH_MEM_FUNCTIONS(blink::EventHandler::TouchInfo);
 
 #endif // EventHandler_h