Make SelectionState enum class

third_party/WebKit/Source/core/layout/LayoutReplaced.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2000 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2006, 2007 Apple Inc. All rights reserved.
  * Copyright (C) Research In Motion Limited 2011-2012. 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
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
@@ skipping 898 matching lines @@
   if (GetNode()) {
     if (line_direction_position <= LogicalLeft() + (LogicalWidth() / 2))
       return CreatePositionWithAffinity(0);
     return CreatePositionWithAffinity(1);
   }
 
   return LayoutBox::PositionForPoint(point);
 }
 
 LayoutRect LayoutReplaced::LocalSelectionRect() const {
-  if (GetSelectionState() == SelectionNone)
+  if (GetSelectionState() == SelectionState::kNone)
     return LayoutRect();
 
   if (!InlineBoxWrapper()) {
     // We're a block-level replaced element.  Just return our own dimensions.
     return LayoutRect(LayoutPoint(), Size());
   }
 
   RootInlineBox& root = InlineBoxWrapper()->Root();
   LayoutUnit new_logical_top =
       root.Block().Style()->IsFlippedBlocksWritingMode()
           ? InlineBoxWrapper()->LogicalBottom() - root.SelectionBottom()
           : root.SelectionTop() - InlineBoxWrapper()->LogicalTop();
   if (root.Block().Style()->IsHorizontalWritingMode())
     return LayoutRect(LayoutUnit(), new_logical_top, Size().Width(),
                       root.SelectionHeight());
   return LayoutRect(new_logical_top, LayoutUnit(), root.SelectionHeight(),
                     Size().Height());
 }
 
 void LayoutReplaced::SetSelectionState(SelectionState state) {
   // The selection state for our containing block hierarchy is updated by the
   // base class call.
   LayoutBox::SetSelectionState(state);
 
   if (!InlineBoxWrapper())
     return;
 
-  if (CanUpdateSelectionOnRootLineBoxes())
-    InlineBoxWrapper()->Root().SetHasSelectedChildren(state != SelectionNone);
+  if (CanUpdateSelectionOnRootLineBoxes()) {
+    InlineBoxWrapper()->Root().SetHasSelectedChildren(state !=
+                                                      SelectionState::kNone);
+  }
 }
 
 void LayoutReplaced::IntrinsicSizingInfo::Transpose() {
   size = size.TransposedSize();
   aspect_ratio = aspect_ratio.TransposedSize();
   std::swap(has_width, has_height);
 }
 
 }  // namespace blink