Make EUserSelect an enum class.

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 1797 matching lines @@
   // it directly. However, this shouldn't happen and needs to be fixed.
   return ExpandEndToSentenceBoundary(EphemeralRange(
       sentence_start.IsNotNull() && sentence_start < range.StartPosition()
           ? sentence_start
           : range.StartPosition(),
       range.EndPosition()));
 }
 
 static bool NodeIsUserSelectAll(const Node* node) {
   return node && node->GetLayoutObject() &&
-         node->GetLayoutObject()->Style()->UserSelect() == SELECT_ALL;
+         node->GetLayoutObject()->Style()->UserSelect() == EUserSelect::kAll;
 }
 
 template <typename Strategy>
 PositionTemplate<Strategy> StartOfParagraphAlgorithm(
     const PositionTemplate<Strategy>& position,
     EditingBoundaryCrossingRule boundary_crossing_rule) {
   Node* const start_node = position.AnchorNode();
 
   if (!start_node)
     return PositionTemplate<Strategy>();
@@ skipping 2318 matching lines @@
 
 Vector<IntRect> ComputeTextRects(const EphemeralRange& range) {
   return ComputeTextBounds<IntRect>(range);
 }
 
 Vector<FloatQuad> ComputeTextQuads(const EphemeralRange& range) {
   return ComputeTextBounds<FloatQuad>(range);
 }
 
 }  // namespace blink