Add functions for autocomplete, selectionRange, directioinForFormData for TextArea element.

Source/core/html/HTMLTextAreaElement.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2010 Apple Inc. All rights reserved.
  *           (C) 2006 Alexey Proskuryakov (ap@nypop.com)
  * Copyright (C) 2007 Samuel Weinig (sam@webkit.org)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ skipping 80 matching lines @@
     RefPtr<HTMLTextAreaElement> textArea = adoptRef(new HTMLTextAreaElement(document, form));
     textArea->ensureUserAgentShadowRoot();
     return textArea.release();
 }
 
 void HTMLTextAreaElement::didAddUserAgentShadowRoot(ShadowRoot& root)
 {
     root.appendChild(TextControlInnerTextElement::create(document()));
 }
 
+bool HTMLTextAreaElement::shouldAutocomplete() const

[tkent, 2014/02/16 23:56:05]

This function adds nothing. We don't need to add  it.

+{
+    return HTMLTextFormControlElement::shouldAutocomplete();
+}
+
 const AtomicString& HTMLTextAreaElement::formControlType() const
 {
     DEFINE_STATIC_LOCAL(const AtomicString, textarea, ("textarea", AtomicString::ConstructFromLiteral));
     return textarea;
 }
 
 FormControlState HTMLTextAreaElement::saveFormControlState() const
 {
     return m_isDirty ? FormControlState(value()) : FormControlState();
 }
@@ skipping 430 matching lines @@
 {
     return true;
 }
 
 bool HTMLTextAreaElement::supportsAutofocus() const
 {
     return true;
 }
 
 }