Make ETextSecurity an enum class.

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

 /*
  * Copyright (C) 2004, 2005, 2006, 2007 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
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 2055 matching lines @@
 }
 
 bool IsInPasswordField(const Position& position) {
   TextControlElement* text_control = EnclosingTextControl(position);
   return isHTMLInputElement(text_control) &&
          toHTMLInputElement(text_control)->type() == InputTypeNames::password;
 }
 
 bool IsTextSecurityNode(const Node* node) {
   return node && node->GetLayoutObject() &&
-         node->GetLayoutObject()->Style()->TextSecurity() != TSNONE;
+         node->GetLayoutObject()->Style()->TextSecurity() !=
+             ETextSecurity::kNone;
 }
 
 // If current position is at grapheme boundary, return 0; otherwise, return the
 // distance to its nearest left grapheme boundary.
 size_t ComputeDistanceToLeftGraphemeBoundary(const Position& position) {
   const Position& adjusted_position = PreviousPositionOf(
       NextPositionOf(position, PositionMoveType::kGraphemeCluster),
       PositionMoveType::kGraphemeCluster);
   DCHECK_EQ(position.AnchorNode(), adjusted_position.AnchorNode());
   DCHECK_GE(position.ComputeOffsetInContainerNode(),
@@ skipping 117 matching lines @@
         return InputType::kDeleteSoftLineBackward;
       if (granularity == kParagraphBoundary)
         return InputType::kDeleteHardLineBackward;
       return InputType::kDeleteContentBackward;
     default:
       return InputType::kNone;
   }
 }
 
 }  // namespace blink