[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 65 matching lines @@
         return;
     }
     ReplaceSelectionCommand::CommandOptions options = 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