Changed EOverflow to an enum class and renamed its members

third_party/WebKit/Source/core/layout/LayoutFlexibleBox.cpp

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 1198 matching lines @@
 
   Length min = isHorizontalFlow() ? child.style()->minWidth()
                                   : child.style()->minHeight();
   LayoutUnit minExtent;
   if (min.isSpecifiedOrIntrinsic()) {
     minExtent = computeMainAxisExtentForChild(child, MinSize, min);
     // computeMainAxisExtentForChild can return -1 when the child has a
     // percentage min size, but we have an indefinite size in that axis.
     minExtent = std::max(LayoutUnit(), minExtent);
   } else if (min.isAuto() && !child.styleRef().containsSize() &&
-             mainAxisOverflowForChild(child) == OverflowVisible &&
+             mainAxisOverflowForChild(child) == EOverflow::Visible &&
              !(isColumnFlow() && child.isFlexibleBox())) {
     // TODO(cbiesinger): For now, we do not handle min-height: auto for nested
     // column flexboxes. We need to implement
     // https://drafts.csswg.org/css-flexbox/#intrinsic-sizes before that
     // produces reasonable results. Tracking bug: https://crbug.com/581553
     // css-flexbox section 4.5
     LayoutUnit contentSize =
         computeMainAxisExtentForChild(child, MinSize, Length(MinContent));
     DCHECK_GE(contentSize, LayoutUnit());
     if (hasAspectRatio(child) && child.intrinsicSize().height() > 0)
@@ skipping 943 matching lines @@
       LayoutUnit originalOffset =
           lineContexts[lineNumber].crossAxisOffset - crossAxisStartEdge;
       LayoutUnit newOffset =
           contentExtent - originalOffset - lineCrossAxisExtent;
       adjustAlignmentForChild(*flexItem.box, newOffset - originalOffset);
     }
   }
 }
 
 }  // namespace blink