INPUT element: Do not dispatch events in detachLayoutTree().

third_party/WebKit/Source/core/html/HTMLTextFormControlElement.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights
  * reserved.
  * Copyright (C) 2009, 2010, 2011 Google Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ skipping 85 matching lines @@
                          int end,
                          TextFieldSelectionDirection = SelectionHasNoDirection);
   Range* selection() const;
 
   virtual bool supportsAutocapitalize() const = 0;
   virtual const AtomicString& defaultAutocapitalize() const = 0;
   const AtomicString& autocapitalize() const;
   void setAutocapitalize(const AtomicString&);
 
   void dispatchFormControlChangeEvent() final;
+  void enqueueChangeEvent();
 
   virtual String value() const = 0;
   virtual void setValue(const String&,
                         TextFieldEventBehavior = DispatchNoEvent) = 0;
 
   HTMLElement* innerEditorElement() const;
 
   void selectionChanged(bool userTriggered);
   bool lastChangeWasUserEdit() const;
   virtual void setInnerEditorValue(const String&);
@@ skipping 88 matching lines @@
 }
 
 DEFINE_HTMLELEMENT_TYPE_CASTS_WITH_FUNCTION(HTMLTextFormControlElement);
 
 HTMLTextFormControlElement* enclosingTextFormControl(const Position&);
 HTMLTextFormControlElement* enclosingTextFormControl(Node*);
 
 }  // namespace blink
 
 #endif