Drag-and-drop: dragSourceEndedAt, dragSourceSystemDragEnded

third_party/WebKit/public/web/WebFrameWidget.h

 /*
  * Copyright (C) 2014 Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 71 matching lines @@
   bool isWebFrameWidget() const final { return true; }
 
   // Current instance of the active WebInputMethodController, that is, the
   // WebInputMethodController corresponding to (and owned by) the focused
   // WebLocalFrameImpl. It might return nullptr when there are no focused
   // frames or possibly when the WebFrameWidget does not accept IME events.
   virtual WebInputMethodController* getActiveWebInputMethodController()
       const = 0;
 
   // Callback methods when a drag-and-drop operation is trying to drop something
-  // on the WebWidget.
+  // on the WebFrameWidget.
   virtual WebDragOperation dragTargetDragEnter(
       const WebDragData&,
       const WebPoint& pointInViewport,
       const WebPoint& screenPoint,
       WebDragOperationsMask operationsAllowed,
       int modifiers) = 0;
   virtual WebDragOperation dragTargetDragOver(
       const WebPoint& pointInViewport,
       const WebPoint& screenPoint,
       WebDragOperationsMask operationsAllowed,
       int modifiers) = 0;
   virtual void dragTargetDragLeave() = 0;
   virtual void dragTargetDrop(const WebDragData&,
                               const WebPoint& pointInViewport,
                               const WebPoint& screenPoint,
                               int modifiers) = 0;
+
+  // Notifies the WebFrameWidget that a drag has terminated.
+  virtual void dragSourceEndedAt(const WebPoint& pointInViewport,
+                                 const WebPoint& screenPoint,
+                                 WebDragOperation) = 0;
+
+  // Notfies the WebFrameWidget that the system drag and drop operation has
+  // ended.
+  virtual void dragSourceSystemDragEnded() = 0;
 };
 
 }  // namespace blink
 
 #endif