Changed WritingMode to an enum class and renamed its members

third_party/WebKit/Source/platform/LengthBox.cpp

 /*
  * Copyright (c) 2012, Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 24 matching lines @@
 const Length& LengthBox::logicalLeft(WritingMode writingMode) const {
   return isHorizontalWritingMode(writingMode) ? m_left : m_top;
 }
 
 const Length& LengthBox::logicalRight(WritingMode writingMode) const {
   return isHorizontalWritingMode(writingMode) ? m_right : m_bottom;
 }
 
 const Length& LengthBox::before(WritingMode writingMode) const {
   switch (writingMode) {
-    case TopToBottomWritingMode:
+    case WritingMode::HorizontalTb:
       return m_top;
-    case LeftToRightWritingMode:
+    case WritingMode::VerticalLr:
       return m_left;
-    case RightToLeftWritingMode:
+    case WritingMode::VerticalRl:
       return m_right;
   }
   ASSERT_NOT_REACHED();
   return m_top;
 }
 
 const Length& LengthBox::after(WritingMode writingMode) const {
   switch (writingMode) {
-    case TopToBottomWritingMode:
+    case WritingMode::HorizontalTb:
       return m_bottom;
-    case LeftToRightWritingMode:
+    case WritingMode::VerticalLr:
       return m_right;
-    case RightToLeftWritingMode:
+    case WritingMode::VerticalRl:
       return m_left;
   }
   ASSERT_NOT_REACHED();
   return m_bottom;
 }
 
 const Length& LengthBox::start(WritingMode writingMode,
                                TextDirection direction) const {
   if (isHorizontalWritingMode(writingMode))
     return isLeftToRightDirection(direction) ? m_left : m_right;
   return isLeftToRightDirection(direction) ? m_top : m_bottom;
 }
 
 const Length& LengthBox::end(WritingMode writingMode,
                              TextDirection direction) const {
   if (isHorizontalWritingMode(writingMode))
     return isLeftToRightDirection(direction) ? m_right : m_left;
   return isLeftToRightDirection(direction) ? m_bottom : m_top;
 }
 
 const Length& LengthBox::over(WritingMode writingMode) const {
   return isHorizontalWritingMode(writingMode) ? m_top : m_right;
 }
 
 const Length& LengthBox::under(WritingMode writingMode) const {
   return isHorizontalWritingMode(writingMode) ? m_bottom : m_left;
 }
 
 }  // namespace blink