Make TextEmphasisFill an enum class.

third_party/WebKit/Source/core/style/ComputedStyle.h

Index: third_party/WebKit/Source/core/style/ComputedStyle.h
diff --git a/third_party/WebKit/Source/core/style/ComputedStyle.h b/third_party/WebKit/Source/core/style/ComputedStyle.h
index d5fdc10269ec0e4d38012380a99b19aed3b0a2d9..983febdf3f8ac5ec62ba86a9c8e7e535b50acf8d 100644
--- a/third_party/WebKit/Source/core/style/ComputedStyle.h
+++ b/third_party/WebKit/Source/core/style/ComputedStyle.h
@@ -1790,7 +1790,7 @@ class CORE_EXPORT ComputedStyle : public ComputedStyleBase<ComputedStyle>,
 
   // Text emphasis properties.
   static TextEmphasisFill InitialTextEmphasisFill() {
-    return kTextEmphasisFillFilled;
+    return TextEmphasisFill::kFilled;
   }
   static TextEmphasisMark InitialTextEmphasisMark() {
     return kTextEmphasisMarkNone;
@@ -1808,7 +1808,8 @@ class CORE_EXPORT ComputedStyle : public ComputedStyleBase<ComputedStyle>,
   }
   const AtomicString& TextEmphasisMarkString() const;
   void SetTextEmphasisFill(TextEmphasisFill fill) {
-    SET_VAR(rare_inherited_data_, text_emphasis_fill_, fill);
+    SET_VAR(rare_inherited_data_, text_emphasis_fill_,
+            static_cast<unsigned>(fill));
   }
   void SetTextEmphasisMark(TextEmphasisMark mark) {
     SET_VAR(rare_inherited_data_, text_emphasis_mark_, mark);