Implement autocapitalize in Blink to be used by the embedder.

Source/core/html/HTMLTextFormControlElement.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 Apple Inc. All rights reserved.
  *           (C) 2006 Alexey Proskuryakov (ap@nypop.com)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
@@ skipping 530 matching lines @@
 
         offset += length;
     }
 
     if (!startNode || !endNode)
         return nullptr;
 
     return Range::create(document(), startNode, start, endNode, end);
 }
 
+const AtomicString& HTMLTextFormControlElement::autocapitalize() const
+{
+    DEFINE_STATIC_LOCAL(const AtomicString, off, ("off", AtomicString::ConstructFromLiteral));
+    DEFINE_STATIC_LOCAL(const AtomicString, none, ("none", AtomicString::ConstructFromLiteral));
+    DEFINE_STATIC_LOCAL(const AtomicString, characters, ("characters", AtomicString::ConstructFromLiteral));
+    DEFINE_STATIC_LOCAL(const AtomicString, words, ("words", AtomicString::ConstructFromLiteral));
+    DEFINE_STATIC_LOCAL(const AtomicString, sentences, ("sentences", AtomicString::ConstructFromLiteral));
+
+    const AtomicString& value = fastGetAttribute(autocapitalizeAttr);
+    if (equalIgnoringCase(value, none) || equalIgnoringCase(value, off))
+        return none;
+    if (equalIgnoringCase(value, characters))
+        return characters;
+    if (equalIgnoringCase(value, words))
+        return words;
+    if (equalIgnoringCase(value, sentences))
+        return sentences;
+
+    // Invalid or missing value.
+    return defaultAutocapitalize();
+}
+
+void HTMLTextFormControlElement::setAutocapitalize(const AtomicString& autocapitalize)
+{
+    setAttribute(autocapitalizeAttr, autocapitalize);
+}
+
 void HTMLTextFormControlElement::restoreCachedSelection()
 {
     setSelectionRange(m_cachedSelectionStart, m_cachedSelectionEnd, m_cachedSelectionDirection, NotDispatchSelectEvent);
 }
 
 void HTMLTextFormControlElement::selectionChanged(bool userTriggered)
 {
     if (!layoutObject() || !isTextFormControl())
         return;
 
@@ skipping 416 matching lines @@
 }
 
 void HTMLTextFormControlElement::copyNonAttributePropertiesFromElement(const Element& source)
 {
     const HTMLTextFormControlElement& sourceElement = static_cast<const HTMLTextFormControlElement&>(source);
     m_lastChangeWasUserEdit = sourceElement.m_lastChangeWasUserEdit;
     HTMLFormControlElement::copyNonAttributePropertiesFromElement(source);
 }
 
 } // namespace blink