Change computed style enums to be prefixed with 'k'.

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

 /*
  * Copyright (C) 2004, 2006, 2007 Apple 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 561 matching lines @@
         layoutView->viewWidth(IncludeScrollbars));
     adjustedLayoutBoundsWithScrollbars.setHeight(
         layoutView->viewHeight(IncludeScrollbars));
   }
 
   if (markedLayer)
     ts << (markedLayer == &layer ? "*" : " ");
 
   writeIndent(ts, indent);
 
-  if (layer.layoutObject()->style()->visibility() == EVisibility::Hidden)
+  if (layer.layoutObject()->style()->visibility() == EVisibility::kHidden)
     ts << "hidden ";
 
   ts << "layer ";
 
   if (behavior & LayoutAsTextShowAddresses)
     ts << static_cast<const void*>(&layer) << " ";
 
   ts << adjustedLayoutBoundsWithScrollbars;
 
   if (!adjustedLayoutBounds.isEmpty()) {
@@ skipping 290 matching lines @@
   element->document().updateStyleAndLayout();
 
   LayoutObject* layoutObject = element->layoutObject();
   if (!layoutObject || !layoutObject->isListItem())
     return String();
 
   return toLayoutListItem(layoutObject)->markerText();
 }
 
 }  // namespace blink