[InputEvent] Support |deleteByDrag|, |insertFromDrop| and fire in sequential order

third_party/WebKit/Source/core/editing/commands/MoveSelectionCommand.cpp

 /*
  * Copyright (C) 2005, 2006 Apple Computer, 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 80 matching lines @@
       ReplaceSelectionCommand::SelectReplacement |
       ReplaceSelectionCommand::PreventNesting;
   if (m_smartInsert)
     options |= ReplaceSelectionCommand::SmartReplace;
   applyCommandToComposite(
       ReplaceSelectionCommand::create(document(), m_fragment, options),
       editingState);
 }
 
 InputEvent::InputType MoveSelectionCommand::inputType() const {
-  return InputEvent::InputType::Drag;
+  return InputEvent::InputType::None;
 }
 
 DEFINE_TRACE(MoveSelectionCommand) {
   visitor->trace(m_fragment);
   visitor->trace(m_position);
   CompositeEditCommand::trace(visitor);
 }
 
 }  // namespace blink