Changed TextDirection to an enum class and renamed its members

third_party/WebKit/Source/core/html/HTMLElement.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2004-2008, 2013, 2014 Apple Inc. All rights reserved.
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved.
  * (http://www.torchmobile.com/)
  * Copyright (C) 2011 Motorola Mobility. 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 770 matching lines @@
   // https://html.spec.whatwg.org/multipage/semantics.html#the-bdi-element
   const AtomicString& direction = fastGetAttribute(dirAttr);
   return (isHTMLBDIElement(*this) && direction == nullAtom) ||
          equalIgnoringCase(direction, "auto");
 }
 
 TextDirection HTMLElement::directionalityIfhasDirAutoAttribute(
     bool& isAuto) const {
   isAuto = hasDirectionAuto();
   if (!isAuto)
-    return LTR;
+    return TextDirection::Ltr;
   return directionality();
 }
 
 TextDirection HTMLElement::directionality(
     Node** strongDirectionalityTextNode) const {
   if (isHTMLInputElement(*this)) {
     HTMLInputElement* inputElement =
         toHTMLInputElement(const_cast<HTMLElement*>(this));
     bool hasStrongDirectionality;
     TextDirection textDirection = determineDirectionality(
@@ skipping 33 matching lines @@
       if (hasStrongDirectionality) {
         if (strongDirectionalityTextNode)
           *strongDirectionalityTextNode = node;
         return textDirection;
       }
     }
     node = FlatTreeTraversal::next(*node, this);
   }
   if (strongDirectionalityTextNode)
     *strongDirectionalityTextNode = 0;
-  return LTR;
+  return TextDirection::Ltr;
 }
 
 bool HTMLElement::selfOrAncestorHasDirAutoAttribute() const {
   return layoutObject() && layoutObject()->style() &&
          layoutObject()->style()->selfOrAncestorHasDirAutoAttribute();
 }
 
 void HTMLElement::dirAttributeChanged(const AtomicString& value) {
   // If an ancestor has dir=auto, and this node has the first character,
   // changes to dir attribute may affect the ancestor.
@@ skipping 337 matching lines @@
 
 #ifndef NDEBUG
 
 // For use in the debugger
 void dumpInnerHTML(blink::HTMLElement*);
 
 void dumpInnerHTML(blink::HTMLElement* element) {
   printf("%s\n", element->innerHTML().ascii().data());
 }
 #endif