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

third_party/WebKit/Source/core/svg/SVGRadialGradientElement.cpp

 /*
  * Copyright (C) 2004, 2005, 2006, 2008 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007 Rob Buis <buis@kde.org>
  * Copyright (C) 2008 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2008 Dirk Schulze <krit@webkit.org>
  * Copyright (C) Research In Motion Limited 2010. 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
@@ skipping 140 matching lines @@
 
 bool SVGRadialGradientElement::collectGradientAttributes(
     RadialGradientAttributes& attributes) {
   if (!layoutObject())
     return false;
 
   HeapHashSet<Member<SVGGradientElement>> processedGradients;
   SVGGradientElement* current = this;
 
   setGradientAttributes(current, attributes);
-  processedGradients.add(current);
+  processedGradients.insert(current);
 
   while (true) {
     // Respect xlink:href, take attributes from referenced element
     Node* refNode = SVGURIReference::targetElementFromIRIString(
         current->href()->currentValue()->value(), treeScope());
     if (refNode && isSVGGradientElement(*refNode)) {
       current = toSVGGradientElement(refNode);
 
       // Cycle detection
       if (processedGradients.contains(current))
         break;
 
       if (!current->layoutObject())
         return false;
 
       setGradientAttributes(current, attributes,
                             isSVGRadialGradientElement(*current));
-      processedGradients.add(current);
+      processedGradients.insert(current);
     } else {
       break;
     }
   }
 
   // Handle default values for fx/fy
   if (!attributes.hasFx())
     attributes.setFx(attributes.cx());
 
   if (!attributes.hasFy())
     attributes.setFy(attributes.cy());
 
   return true;
 }
 
 bool SVGRadialGradientElement::selfHasRelativeLengths() const {
   return m_cx->currentValue()->isRelative() ||
          m_cy->currentValue()->isRelative() ||
          m_r->currentValue()->isRelative() ||
          m_fx->currentValue()->isRelative() ||
          m_fy->currentValue()->isRelative() ||
          m_fr->currentValue()->isRelative();
 }
 
 }  // namespace blink