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

third_party/WebKit/Source/core/css/CSSComputedStyleDeclaration.cpp

 /*
  * Copyright (C) 2004 Zack Rusin <zack@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple Inc.
  * All rights reserved.
  * Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org>
  * Copyright (C) 2007 Nicholas Shanks <webkit@nickshanks.com>
  * Copyright (C) 2011 Sencha, Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
@@ skipping 183 matching lines @@
 }
 
 inline CSSPrimitiveValue* zoomAdjustedPixelValue(double value,
                                                  const ComputedStyle& style) {
   return CSSPrimitiveValue::create(adjustFloatForAbsoluteZoom(value, style),
                                    CSSPrimitiveValue::UnitType::Pixels);
 }
 
 void logUnimplementedPropertyID(CSSPropertyID propertyID) {
   DEFINE_STATIC_LOCAL(HashSet<CSSPropertyID>, propertyIDSet, ());
-  if (!propertyIDSet.add(propertyID).isNewEntry)
+  if (!propertyIDSet.insert(propertyID).isNewEntry)
     return;
 
   DLOG(ERROR) << "Blink does not yet implement getComputedStyle for '"
               << getPropertyName(propertyID) << "'.";
 }
 
 bool isLayoutDependent(CSSPropertyID propertyID,
                        const ComputedStyle* style,
                        LayoutObject* layoutObject) {
   if (!layoutObject)
@@ skipping 347 matching lines @@
       "These styles are computed, and therefore the '" +
           getPropertyNameString(id) + "' property is read-only.");
 }
 
 DEFINE_TRACE(CSSComputedStyleDeclaration) {
   visitor->trace(m_node);
   CSSStyleDeclaration::trace(visitor);
 }
 
 }  // namespace blink