Migrate WTF::HashSet::add() to ::insert() [part 2 of N]

third_party/WebKit/Source/platform/graphics/ImageDecodingStore.cpp

 /*
  * Copyright (C) 2012 Google 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 206 matching lines @@
   const size_t cacheEntryBytes = cacheEntry->memoryUsageInBytes();
   m_heapMemoryUsageInBytes += cacheEntryBytes;
 
   // m_orderedCacheList is used to support LRU operations to reorder cache
   // entries quickly.
   m_orderedCacheList.append(cacheEntry.get());
 
   typename U::KeyType key = cacheEntry->cacheKey();
   typename V::AddResult result =
       identifierMap->add(cacheEntry->generator(), typename V::MappedType());
-  result.storedValue->value.add(key);
+  result.storedValue->value.insert(key);
   cacheMap->add(key, std::move(cacheEntry));
 
   TRACE_COUNTER1(TRACE_DISABLED_BY_DEFAULT("blink.image_decoding"),
                  "ImageDecodingStoreHeapMemoryUsageBytes",
                  m_heapMemoryUsageInBytes);
   TRACE_COUNTER1(TRACE_DISABLED_BY_DEFAULT("blink.image_decoding"),
                  "ImageDecodingStoreNumOfDecoders", m_decoderCacheMap.size());
 }
 
 template <class T, class U, class V>
@@ skipping 58 matching lines @@
   }
 }
 
 void ImageDecodingStore::removeFromCacheListInternal(
     const Vector<std::unique_ptr<CacheEntry>>& deletionList) {
   for (size_t i = 0; i < deletionList.size(); ++i)
     m_orderedCacheList.remove(deletionList[i].get());
 }
 
 }  // namespace blink