[InputEvent] Support |deleteByDrag| and |insertFromDrop|

third_party/WebKit/Source/core/editing/Editor.h

 /*
  * Copyright (C) 2006, 2007, 2008 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 187 matching lines @@
     EditingBehavior behavior() const;
 
     EphemeralRange selectedRange();
 
     void addToKillRing(const EphemeralRange&);
 
     void pasteAsFragment(DocumentFragment*, bool smartReplace, bool matchStyle);
     void pasteAsPlainText(const String&, bool smartReplace);
 
     Element* findEventTargetFrom(const VisibleSelection&) const;
+    Element* findEventTargetFromSelection() const;
 
     bool findString(const String&, FindOptions);
 
     Range* findStringAndScrollToVisible(const String&, Range*, FindOptions);
     Range* findRangeOfString(const String& target, const EphemeralRange& referenceRange, FindOptions);
     Range* findRangeOfString(const String& target, const EphemeralRangeInFlatTree& referenceRange, FindOptions);
 
     const VisibleSelection& mark() const; // Mark, to be used as emacs uses it.
     void setMark(const VisibleSelection&);
 
@@ skipping 65 matching lines @@
     bool canSmartReplaceWithPasteboard(Pasteboard*);
     void pasteAsPlainTextWithPasteboard(Pasteboard*);
     void pasteWithPasteboard(Pasteboard*);
     void writeSelectionToPasteboard();
     bool dispatchCPPEvent(const AtomicString&, DataTransferAccessPolicy, PasteMode = AllMimeTypes);
 
     void revealSelectionAfterEditingOperation(const ScrollAlignment& = ScrollAlignment::alignCenterIfNeeded, RevealExtentOption = DoNotRevealExtent);
     void changeSelectionAfterCommand(const VisibleSelection& newSelection, FrameSelection::SetSelectionOptions);
     void notifyComponentsOnChangedSelection();
 
-    Element* findEventTargetFromSelection() const;
-
     SpellChecker& spellChecker() const;
 
     bool handleEditingKeyboardEvent(KeyboardEvent*);
 };
 
 inline void Editor::setStartNewKillRingSequence(bool flag)
 {
     m_shouldStartNewKillRingSequence = flag;
 }
 
 inline const VisibleSelection& Editor::mark() const
 {
     return m_mark;
 }
 
 inline void Editor::setMark(const VisibleSelection& selection)
 {
     m_mark = selection;
 }
 
 inline bool Editor::markedTextMatchesAreHighlighted() const
 {
     return m_areMarkedTextMatchesHighlighted;
 }
 
 
 } // namespace blink
 
 #endif // Editor_h