Migrate WTF::HashCountedSet::add() to ::insert()

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

 /*
  * Copyright (C) 2008 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 29 matching lines @@
 
 void CSSImageGeneratorValue::addClient(const LayoutObject* layoutObject,
                                        const IntSize& size) {
   DCHECK(layoutObject);
   if (m_clients.isEmpty()) {
     DCHECK(!m_keepAlive);
     m_keepAlive = this;
   }
 
   if (!size.isEmpty())
-    m_sizes.add(size);
+    m_sizes.insert(size);
 
   LayoutObjectSizeCountMap::iterator it = m_clients.find(layoutObject);
   if (it == m_clients.end()) {
     m_clients.insert(layoutObject, SizeAndCount(size, 1));
   } else {
     SizeAndCount& sizeCount = it->value;
     ++sizeCount.count;
   }
 }
 
@@ skipping 163 matching lines @@
       break;
     case ConicGradientClass:
       toCSSConicGradientValue(this)->loadSubimages(document);
       break;
     default:
       NOTREACHED();
   }
 }
 
 }  // namespace blink