Make EBorderStyle an enum class.

third_party/WebKit/Source/core/style/OutlineValueTest.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/style/OutlineValue.h"
 
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace blink {
 
 TEST(OutlineValueTest, VisuallyEqualStyle) {
   OutlineValue outline1;
   OutlineValue outline2;
 
   // Outlines visually equal if their styles are all BNONE.
   EXPECT_TRUE(outline1.VisuallyEqual(outline2));
   outline2.SetOffset(10);
   EXPECT_TRUE(outline1.VisuallyEqual(outline2));
 
-  outline2.SetStyle(kBorderStyleDotted);
+  outline2.SetStyle(EBorderStyle::kDotted);
   outline1.SetOffset(10);
   EXPECT_FALSE(outline1.VisuallyEqual(outline2));
 }
 
 TEST(OutlineValueTest, VisuallyEqualOffset) {
   OutlineValue outline1;
   OutlineValue outline2;
 
-  outline1.SetStyle(kBorderStyleDotted);
-  outline2.SetStyle(kBorderStyleDotted);
+  outline1.SetStyle(EBorderStyle::kDotted);
+  outline2.SetStyle(EBorderStyle::kDotted);
   EXPECT_TRUE(outline1.VisuallyEqual(outline2));
 
   outline1.SetOffset(10);
   EXPECT_FALSE(outline1.VisuallyEqual(outline2));
 
   outline2.SetOffset(10);
   EXPECT_TRUE(outline1.VisuallyEqual(outline2));
 }
 
 TEST(OutlineValueTest, VisuallyEqualIsAuto) {
   OutlineValue outline1;
   OutlineValue outline2;
 
-  outline1.SetStyle(kBorderStyleDotted);
-  outline2.SetStyle(kBorderStyleDotted);
+  outline1.SetStyle(EBorderStyle::kDotted);
+  outline2.SetStyle(EBorderStyle::kDotted);
   EXPECT_TRUE(outline1.VisuallyEqual(outline2));
 
   outline1.SetIsAuto(kOutlineIsAutoOn);
   EXPECT_FALSE(outline1.VisuallyEqual(outline2));
 
   outline2.SetIsAuto(kOutlineIsAutoOn);
   EXPECT_TRUE(outline1.VisuallyEqual(outline2));
 }
 
 }  // namespace blink