Changed EOverflow to an enum class and renamed its members

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

Index: third_party/WebKit/Source/core/style/ComputedStyleConstants.h
diff --git a/third_party/WebKit/Source/core/style/ComputedStyleConstants.h b/third_party/WebKit/Source/core/style/ComputedStyleConstants.h
index 45d0e6b5208e9331e95c5794568977effd9e1e1d..33542a16e092756e526c2e8e0c7bea8a43ef0cda 100644
--- a/third_party/WebKit/Source/core/style/ComputedStyleConstants.h
+++ b/third_party/WebKit/Source/core/style/ComputedStyleConstants.h
@@ -148,14 +148,14 @@ enum EBoxSizing { BoxSizingContentBox, BoxSizingBorderBox };
 
 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 {