Migrate WTF::HashSet::add() to ::insert() [part 1 of N]

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

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc.
  *               All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
@@ skipping 574 matching lines @@
     if ((os->canBeSelectionLeaf() || os == m_selectionStart ||
          os == m_selectionEnd) &&
         os->getSelectionState() != SelectionNone) {
       // Blocks are responsible for painting line gaps and margin gaps. They
       // must be examined as well.
       selRect.unite(selectionRectForLayoutObject(os));
       const LayoutBlock* cb = os->containingBlock();
       while (cb && !cb->isLayoutView()) {
         selRect.unite(selectionRectForLayoutObject(cb));
         VisitedContainingBlockSet::AddResult addResult =
-            visitedContainingBlocks.add(cb);
+            visitedContainingBlocks.insert(cb);
         if (!addResult.isNewEntry)
           break;
         cb = cb->containingBlock();
       }
     }
 
     os = os->nextInPreOrder();
   }
 
   return pixelSnappedIntRect(selRect);
@@ skipping 443 matching lines @@
 bool LayoutView::paintedOutputOfObjectHasNoEffectRegardlessOfSize() const {
   // Frame scroll corner is painted using LayoutView as the display item client.
   if (!RuntimeEnabledFeatures::rootLayerScrollingEnabled() &&
       (frameView()->horizontalScrollbar() || frameView()->verticalScrollbar()))
     return false;
 
   return LayoutBlockFlow::paintedOutputOfObjectHasNoEffectRegardlessOfSize();
 }
 
 }  // namespace blink