Make RubyPosition an enum class.

third_party/WebKit/Source/core/dom/ElementTest.cpp

 // 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/dom/Element.h"
 
 #include <memory>
 #include "core/dom/ClientRect.h"
 #include "core/dom/Document.h"
 #include "core/editing/EditingTestBase.h"
@@ skipping 193 matching lines @@
   EXPECT_TRUE(inner_sticky->StyleRef().SubtreeIsSticky());
   EXPECT_TRUE(great_grandchild->StyleRef().SubtreeIsSticky());
 
   // This forces 'child' to fork it's StyleRareInheritedData, so that we can
   // ensure that the sticky subtree update behavior survives forking.
   document.getElementById("child")->SetInlineStyleProperty(
       CSSPropertyWebkitRubyPosition, CSSValueAfter);
   document.View()->UpdateAllLifecyclePhases();
   EXPECT_EQ(DocumentLifecycle::kPaintClean, document.Lifecycle().GetState());
 
-  EXPECT_EQ(kRubyPositionBefore, outer_sticky->StyleRef().GetRubyPosition());
-  EXPECT_EQ(kRubyPositionAfter, child->StyleRef().GetRubyPosition());
-  EXPECT_EQ(kRubyPositionAfter, grandchild->StyleRef().GetRubyPosition());
-  EXPECT_EQ(kRubyPositionAfter, inner_sticky->StyleRef().GetRubyPosition());
-  EXPECT_EQ(kRubyPositionAfter, great_grandchild->StyleRef().GetRubyPosition());
+  EXPECT_EQ(RubyPosition::kBefore, outer_sticky->StyleRef().GetRubyPosition());
+  EXPECT_EQ(RubyPosition::kAfter, child->StyleRef().GetRubyPosition());
+  EXPECT_EQ(RubyPosition::kAfter, grandchild->StyleRef().GetRubyPosition());
+  EXPECT_EQ(RubyPosition::kAfter, inner_sticky->StyleRef().GetRubyPosition());
+  EXPECT_EQ(RubyPosition::kAfter,
+            great_grandchild->StyleRef().GetRubyPosition());
 
   // Setting -webkit-ruby value shouldn't have affected the sticky subtree bit.
   EXPECT_TRUE(outer_sticky->StyleRef().SubtreeIsSticky());
   EXPECT_TRUE(child->StyleRef().SubtreeIsSticky());
   EXPECT_TRUE(grandchild->StyleRef().SubtreeIsSticky());
   EXPECT_TRUE(inner_sticky->StyleRef().SubtreeIsSticky());
   EXPECT_TRUE(great_grandchild->StyleRef().SubtreeIsSticky());
 
   // Now switch 'outerSticky' back to being non-sticky - all descendents between
   // it and the 'innerSticky' should be updated, and the 'innerSticky' should
   // fork it's StyleRareInheritedData to maintain the sticky subtree bit.
   document.getElementById("outerSticky")
       ->SetInlineStyleProperty(CSSPropertyPosition, CSSValueStatic);
   document.View()->UpdateAllLifecyclePhases();
   EXPECT_EQ(DocumentLifecycle::kPaintClean, document.Lifecycle().GetState());
 
   EXPECT_FALSE(outer_sticky->StyleRef().SubtreeIsSticky());
   EXPECT_FALSE(child->StyleRef().SubtreeIsSticky());
   EXPECT_FALSE(grandchild->StyleRef().SubtreeIsSticky());
   EXPECT_TRUE(inner_sticky->StyleRef().SubtreeIsSticky());
   EXPECT_TRUE(great_grandchild->StyleRef().SubtreeIsSticky());
 }
 
 }  // namespace blink