Changed EUnicodeBidi to an enum class and renamed its members

third_party/WebKit/Source/core/editing/VisibleUnits.cpp

 /*
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 Apple 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 2433 matching lines @@
                  inlineBox->prevLeafChildIgnoringLineBreak()) {
         if (tertiaryBox->bidiLevel() <= level)
           break;
         inlineBox = tertiaryBox;
       }
       return InlineBoxPosition(inlineBox, inlineBox->caretLeftmostOffset());
     }
     return InlineBoxPosition(inlineBox, caretOffset);
   }
 
-  if (layoutObject && layoutObject->style()->unicodeBidi() == Plaintext) {
+  if (layoutObject &&
+      layoutObject->style()->unicodeBidi() == EUnicodeBidi::kPlaintext) {
     if (inlineBox->bidiLevel() < level)
       return InlineBoxPosition(inlineBox, inlineBox->caretLeftmostOffset());
     return InlineBoxPosition(inlineBox, inlineBox->caretRightmostOffset());
   }
 
   InlineBox* nextBox = inlineBox->nextLeafChildIgnoringLineBreak();
   if (!nextBox || nextBox->bidiLevel() < level) {
     // Right edge of a secondary run. Set to the left edge of the entire
     // run.
     while (InlineBox* prevBox = inlineBox->prevLeafChildIgnoringLineBreak()) {
@@ skipping 1386 matching lines @@
 
 VisiblePositionInFlatTree previousPositionOf(
     const VisiblePositionInFlatTree& visiblePosition,
     EditingBoundaryCrossingRule rule) {
   DCHECK(visiblePosition.isValid()) << visiblePosition;
   return previousPositionOfAlgorithm<EditingInFlatTreeStrategy>(
       visiblePosition.deepEquivalent(), rule);
 }
 
 }  // namespace blink