Make EBorderStyle an enum class.

third_party/WebKit/Source/core/layout/ng/ng_length_utils_test.cc

 // Copyright 2016 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/layout/ng/ng_length_utils.h"
 
 #include "core/layout/ng/ng_box_fragment.h"
 #include "core/layout/ng/ng_constraint_space.h"
 #include "core/layout/ng/ng_constraint_space_builder.h"
 #include "core/layout/ng/ng_fragment_builder.h"
@@ skipping 343 matching lines @@
   EXPECT_EQ(LayoutUnit(52), margins.inline_end);
   EXPECT_EQ(LayoutUnit(), margins.block_end);
   EXPECT_EQ(LayoutUnit(22), margins.inline_start);
 }
 
 TEST_F(NGLengthUtilsTest, testBorders) {
   style_->SetBorderTopWidth(1);
   style_->SetBorderRightWidth(2);
   style_->SetBorderBottomWidth(3);
   style_->SetBorderLeftWidth(4);
-  style_->SetBorderTopStyle(kBorderStyleSolid);
-  style_->SetBorderRightStyle(kBorderStyleSolid);
-  style_->SetBorderBottomStyle(kBorderStyleSolid);
-  style_->SetBorderLeftStyle(kBorderStyleSolid);
+  style_->SetBorderTopStyle(EBorderStyle::kSolid);
+  style_->SetBorderRightStyle(EBorderStyle::kSolid);
+  style_->SetBorderBottomStyle(EBorderStyle::kSolid);
+  style_->SetBorderLeftStyle(EBorderStyle::kSolid);
   style_->SetWritingMode(WritingMode::kVerticalLr);
 
   RefPtr<NGConstraintSpace> constraint_space(
       ConstructConstraintSpace(200, 300));
 
   NGBoxStrut borders = ComputeBorders(*constraint_space, *style_);
 
   EXPECT_EQ(LayoutUnit(4), borders.block_start);
   EXPECT_EQ(LayoutUnit(3), borders.inline_end);
   EXPECT_EQ(LayoutUnit(2), borders.block_end);
@@ skipping 118 matching lines @@
   EXPECT_EQ(125, GetUsedColumnWidth(4, 100, 10, 530));
   EXPECT_EQ(4, GetUsedColumnCount(4, 100, 10, 530));
   EXPECT_EQ(100, GetUsedColumnWidth(6, 100, 10, 540));
   EXPECT_EQ(5, GetUsedColumnCount(6, 100, 10, 540));
   EXPECT_EQ(100, GetUsedColumnWidth(0, 100, 10, 540));
   EXPECT_EQ(5, GetUsedColumnCount(0, 100, 10, 540));
 }
 
 }  // namespace
 }  // namespace blink