Make SelectionState enum class

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

 /*
  * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2003, 2004, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc.
  *               All right reserved.
  * Copyright (C) 2010 Google Inc. 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 285 matching lines @@
     else
       box = CreateInlineBoxForLayoutObject(r->line_layout_item_, false,
                                            is_only_run);
     r->box_ = box;
 
     DCHECK(box);
     if (!box)
       continue;
 
     if (!root_has_selected_children &&
-        box->GetLineLayoutItem().GetSelectionState() != SelectionNone)
+        box->GetLineLayoutItem().GetSelectionState() != SelectionState::kNone)
       root_has_selected_children = true;
 
     // If we have no parent box yet, or if the run is not simply a sibling,
     // then we need to construct inline boxes as necessary to properly enclose
     // the run's inline box. Segments can only be siblings at the root level, as
     // they are positioned separately.
     if (!parent_box ||
         (parent_box->GetLineLayoutItem() != r->line_layout_item_.Parent())) {
       // Create new inline boxes all the way back to the appropriate insertion
       // point.
@@ skipping 2337 matching lines @@
 
 bool LayoutBlockFlow::PaintedOutputOfObjectHasNoEffectRegardlessOfSize() const {
   // LayoutBlockFlow is in charge of paint invalidation of the first line.
   if (FirstLineBox())
     return false;
 
   return LayoutBlock::PaintedOutputOfObjectHasNoEffectRegardlessOfSize();
 }
 
 }  // namespace blink