Changed EOverflow 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 130 matching lines @@
 enum EBoxDecorationBreak { BoxDecorationBreakSlice, BoxDecorationBreakClone };
 
 // Box attributes. Not inherited.
 
 enum EBoxSizing { BoxSizingContentBox, BoxSizingBorderBox };
 
 // Random visual rendering model attributes. Not inherited.
 
 enum class EOverflowAnchor : unsigned { Visible, None, Auto };
 
-enum EOverflow {
-  OverflowVisible,
-  OverflowHidden,
-  OverflowScroll,
-  OverflowAuto,
-  OverflowOverlay,
-  OverflowPagedX,
-  OverflowPagedY
+enum class EOverflow : unsigned {
+  Visible,
+  Hidden,
+  Scroll,
+  Auto,
+  Overlay,
+  PagedX,
+  PagedY
 };
 
 enum EVerticalAlign {
   VerticalAlignBaseline,
   VerticalAlignMiddle,
   VerticalAlignSub,
   VerticalAlignSuper,
   VerticalAlignTextTop,
   VerticalAlignTextBottom,
   VerticalAlignTop,
@@ skipping 528 matching lines @@
   ScrollSnapTypeNone,
   ScrollSnapTypeMandatory,
   ScrollSnapTypeProximity
 };
 
 enum AutoRepeatType { NoAutoRepeat, AutoFill, AutoFit };
 
 }  // namespace blink
 
 #endif  // ComputedStyleConstants_h