Changed EOverflow to an enum class and renamed its members

third_party/WebKit/Source/core/page/SpatialNavigation.cpp

 /*
  * Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2009 Antonio Gomes <tonikitoo@webkit.org>
  *
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
@@ skipping 312 matching lines @@
   ASSERT(container);
   if (container->isDocumentNode())
     return canScrollInDirection(toDocument(container)->frame(), type);
 
   if (!isScrollableNode(container))
     return false;
 
   switch (type) {
     case WebFocusTypeLeft:
       return (container->layoutObject()->style()->overflowX() !=
-                  OverflowHidden &&
+                  EOverflow::Hidden &&
               container->layoutBox()->scrollLeft() > 0);
     case WebFocusTypeUp:
       return (container->layoutObject()->style()->overflowY() !=
-                  OverflowHidden &&
+                  EOverflow::Hidden &&
               container->layoutBox()->scrollTop() > 0);
     case WebFocusTypeRight:
       return (container->layoutObject()->style()->overflowX() !=
-                  OverflowHidden &&
+                  EOverflow::Hidden &&
               container->layoutBox()->scrollLeft() +
                       container->layoutBox()->clientWidth() <
                   container->layoutBox()->scrollWidth());
     case WebFocusTypeDown:
       return (container->layoutObject()->style()->overflowY() !=
-                  OverflowHidden &&
+                  EOverflow::Hidden &&
               container->layoutBox()->scrollTop() +
                       container->layoutBox()->clientHeight() <
                   container->layoutBox()->scrollHeight());
     default:
       ASSERT_NOT_REACHED();
       return false;
   }
 }
 
 bool canScrollInDirection(const LocalFrame* frame, WebFocusType type) {
@@ skipping 261 matching lines @@
                        weightedOrthogonalAxisDistance - sqrt(overlap);
 }
 
 bool canBeScrolledIntoView(WebFocusType type, const FocusCandidate& candidate) {
   ASSERT(candidate.visibleNode && candidate.isOffscreen);
   LayoutRect candidateRect = candidate.rect;
   for (Node& parentNode : NodeTraversal::ancestorsOf(*candidate.visibleNode)) {
     LayoutRect parentRect = nodeRectInAbsoluteCoordinates(&parentNode);
     if (!candidateRect.intersects(parentRect)) {
       if (((type == WebFocusTypeLeft || type == WebFocusTypeRight) &&
-           parentNode.layoutObject()->style()->overflowX() == OverflowHidden) ||
+           parentNode.layoutObject()->style()->overflowX() ==
+               EOverflow::Hidden) ||
           ((type == WebFocusTypeUp || type == WebFocusTypeDown) &&
-           parentNode.layoutObject()->style()->overflowY() == OverflowHidden))
+           parentNode.layoutObject()->style()->overflowY() ==
+               EOverflow::Hidden))
         return false;
     }
     if (parentNode == candidate.enclosingScrollableBox)
       return canScrollInDirection(&parentNode, type);
   }
   return true;
 }
 
 // The starting rect is the rect of the focused node, in document coordinates.
 // Compose a virtual starting rect if there is no focused node or if it is off
@@ skipping 39 matching lines @@
   return rect;
 }
 
 HTMLFrameOwnerElement* frameOwnerElement(FocusCandidate& candidate) {
   return candidate.isFrameOwnerElement()
              ? toHTMLFrameOwnerElement(candidate.visibleNode)
              : nullptr;
 };
 
 }  // namespace blink