Enumerate the return value of dispatchEvent so it is clear.

third_party/WebKit/Source/core/page/DragController.h

 /*
  * Copyright (C) 2007, 2009 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
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef DragController_h
 #define DragController_h
 
 #include "core/CoreExport.h"
+#include "core/events/EventTarget.h"
 #include "core/page/DragActions.h"
 #include "platform/geometry/IntPoint.h"
 #include "platform/heap/Handle.h"
 #include "platform/weborigin/KURL.h"
 #include "wtf/Forward.h"
 
 namespace blink {
 
 class DataTransfer;
 class Document;
@@ skipping 33 matching lines @@
     bool startDrag(LocalFrame* src, const DragState&, const PlatformMouseEvent& dragEvent, const IntPoint& dragOrigin);
 
     DECLARE_TRACE();
 
     static const int DragIconRightInset;
     static const int DragIconBottomInset;
 
 private:
     DragController(Page*, DragClient*);
 
-    bool dispatchTextInputEventFor(LocalFrame*, DragData*);
+    DispatchEventResult dispatchTextInputEventFor(LocalFrame*, DragData*);
     bool canProcessDrag(DragData*);
     bool concludeEditDrag(DragData*);
     DragSession dragEnteredOrUpdated(DragData*);
     DragOperation operationForLoad(DragData*);
     bool tryDocumentDrag(DragData*, DragDestinationAction, DragSession&);
     bool tryDHTMLDrag(DragData*, DragOperation&);
     DragOperation dragOperation(DragData*);
     void cancelDrag();
     bool dragIsMove(FrameSelection&, DragData*);
     bool isCopyKeyDown(DragData*);
@@ skipping 11 matching lines @@
     RefPtrWillBeMember<HTMLInputElement> m_fileInputElementUnderMouse;
     bool m_documentIsHandlingDrag;
 
     DragDestinationAction m_dragDestinationAction;
     bool m_didInitiateDrag;
 };
 
 } // namespace blink
 
 #endif // DragController_h