Implement autocapitalize in Blink to be used by the embedder.

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 621 matching lines @@
     return true;
 }
 
 void HTMLTextAreaElement::copyNonAttributePropertiesFromElement(const Element& source)
 {
     const HTMLTextAreaElement& sourceElement = static_cast<const HTMLTextAreaElement&>(source);
     m_value = sourceElement.m_value;
     HTMLTextFormControlElement::copyNonAttributePropertiesFromElement(source);
 }
 
+const AtomicString& HTMLTextAreaElement::defaultAutocapitalize() const
+{
+    DEFINE_STATIC_LOCAL(const AtomicString, sentences, ("sentences", AtomicString::ConstructFromLiteral));
+    return sentences;
 }
+
+} // namespace blink