Make TextEmphasisPosition an enum class.

third_party/WebKit/Source/core/paint/TextPainterBase.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/paint/TextPainterBase.h"
 
 #include "core/dom/Document.h"
 #include "core/paint/AppliedDecorationPainter.h"
 #include "core/paint/BoxPainter.h"
 #include "core/paint/PaintInfo.h"
@@ skipping 23 matching lines @@
 TextPainterBase::~TextPainterBase() {}
 
 void TextPainterBase::SetEmphasisMark(const AtomicString& emphasis_mark,
                                       TextEmphasisPosition position) {
   emphasis_mark_ = emphasis_mark;
   const SimpleFontData* font_data = font_.PrimaryFont();
   DCHECK(font_data);
 
   if (!font_data || emphasis_mark.IsNull()) {
     emphasis_mark_offset_ = 0;
-  } else if (position == kTextEmphasisPositionOver) {
+  } else if (position == TextEmphasisPosition::kOver) {
     emphasis_mark_offset_ = -font_data->GetFontMetrics().Ascent() -
                             font_.EmphasisMarkDescent(emphasis_mark);
   } else {
-    DCHECK(position == kTextEmphasisPositionUnder);
+    DCHECK(position == TextEmphasisPosition::kUnder);
     emphasis_mark_offset_ = font_data->GetFontMetrics().Descent() +
                             font_.EmphasisMarkAscent(emphasis_mark);
   }
 }
 
 // static
 void TextPainterBase::UpdateGraphicsContext(
     GraphicsContext& context,
     const Style& text_style,
     bool horizontal,
@@ skipping 230 matching lines @@
       decoration_info.thickness = ComputeDecorationThickness(
           decoration_info.style, decoration_info.font_data);
     }
   }
 
   // Offset between lines - always non-zero, so lines never cross each other.
   decoration_info.double_offset = decoration_info.thickness + 1.f;
 }
 
 }  // namespace blink