Changed EOverflowAnchor to an enum class and renamed its members

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

 /*
  * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
  *           (C) 2000 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2003, 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights
  * reserved.
  * Copyright (C) 2006 Graham Dennis (graham.dennis@gmail.com)
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved.
  * (http://www.torchmobile.com/)
  *
@@ skipping 128 matching lines @@
 // Box decoration attributes. Not inherited.
 
 enum EBoxDecorationBreak { BoxDecorationBreakSlice, BoxDecorationBreakClone };
 
 // Box attributes. Not inherited.
 
 enum EBoxSizing { BoxSizingContentBox, BoxSizingBorderBox };
 
 // Random visual rendering model attributes. Not inherited.
 
-enum EOverflowAnchor { AnchorVisible, AnchorNone, AnchorAuto };
+enum class EOverflowAnchor : unsigned { Visible, None, Auto };
 
 enum EOverflow {
   OverflowVisible,
   OverflowHidden,
   OverflowScroll,
   OverflowAuto,
   OverflowOverlay,
   OverflowPagedX,
   OverflowPagedY
 };
@@ skipping 538 matching lines @@
   ScrollSnapTypeNone,
   ScrollSnapTypeMandatory,
   ScrollSnapTypeProximity
 };
 
 enum AutoRepeatType { NoAutoRepeat, AutoFill, AutoFit };
 
 }  // namespace blink
 
 #endif  // ComputedStyleConstants_h