Changed EOverflowAnchor to an enum class and renamed its members

third_party/WebKit/Source/core/dom/Document.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2011, 2012 Apple Inc. All
  * rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved.
  * (http://www.torchmobile.com/)
  * Copyright (C) 2008, 2009, 2011, 2012 Google Inc. All rights reserved.
@@ skipping 1787 matching lines @@
       (documentElement()->needsAttach() ||
        !documentElement()->computedStyle() ||
        documentElement()->computedStyle()->fontSize() !=
            documentElementStyle->fontSize())) {
     ensureStyleResolver().invalidateMatchedPropertiesCache();
     documentElement()->setNeedsStyleRecalc(
         SubtreeStyleChange,
         StyleChangeReasonForTracing::create(StyleChangeReason::FontSizeChange));
   }
 
-  EOverflowAnchor overflowAnchor = AnchorAuto;
+  EOverflowAnchor overflowAnchor = EOverflowAnchor::Auto;
   EOverflow overflowX = OverflowAuto;
   EOverflow overflowY = OverflowAuto;
   float columnGap = 0;
   if (overflowStyle) {
     overflowAnchor = overflowStyle->overflowAnchor();
     overflowX = overflowStyle->overflowX();
     overflowY = overflowStyle->overflowY();
     // Visible overflow on the viewport is meaningless, and the spec says to
     // treat it as 'auto':
     if (overflowX == OverflowVisible)
       overflowX = OverflowAuto;
     if (overflowY == OverflowVisible)
       overflowY = OverflowAuto;
-    if (overflowAnchor == AnchorVisible)
-      overflowAnchor = AnchorAuto;
+    if (overflowAnchor == EOverflowAnchor::Visible)
+      overflowAnchor = EOverflowAnchor::Auto;
     // Column-gap is (ab)used by the current paged overflow implementation (in
     // lack of other ways to specify gaps between pages), so we have to
     // propagate it too.
     columnGap = overflowStyle->columnGap();
   }
 
   ScrollSnapType snapType = overflowStyle->getScrollSnapType();
   const LengthPoint& snapDestination = overflowStyle->scrollSnapDestination();
 
   RefPtr<ComputedStyle> documentStyle = layoutViewItem().mutableStyle();
@@ skipping 4755 matching lines @@
 }
 
 void showLiveDocumentInstances() {
   WeakDocumentSet& set = liveDocumentSet();
   fprintf(stderr, "There are %u documents currently alive:\n", set.size());
   for (Document* document : set)
     fprintf(stderr, "- Document %p URL: %s\n", document,
             document->url().getString().utf8().data());
 }
 #endif