Rename EOverflow values with k prefix.

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 8e36d7730de6091ace849034958433a04a465a25..eb1521af91f04eb5ecd99c40fdb72f29b6704578 100644
--- a/third_party/WebKit/Source/core/style/ComputedStyleConstants.h
+++ b/third_party/WebKit/Source/core/style/ComputedStyleConstants.h
@@ -145,13 +145,13 @@ enum class EBoxSizing : unsigned { kContentBox, kBorderBox };
 // Random visual rendering model attributes. Not inherited.
 
 enum class EOverflow : unsigned {
-  Visible,
-  Hidden,
-  Scroll,
-  Auto,
-  Overlay,
-  PagedX,
-  PagedY
+  kVisible,
+  kHidden,
+  kScroll,
+  kAuto,
+  kOverlay,
+  kWebkitPagedX,
+  kWebkitPagedY
 };
 
 enum class EVerticalAlign : unsigned {