Migrate WTF::HashMap::get() to ::at()

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 272 matching lines @@
   if (iter == identifierMap->end())
     return;
 
   // Get all cache identifiers associated with generator.
   Vector<typename U::KeyType> cacheIdentifierList;
   copyToVector(iter->value, cacheIdentifierList);
 
   // For each cache identifier find the corresponding CacheEntry and remove it.
   for (size_t i = 0; i < cacheIdentifierList.size(); ++i) {
     ASSERT(cacheMap->contains(cacheIdentifierList[i]));
-    const auto& cacheEntry = cacheMap->get(cacheIdentifierList[i]);
+    const auto& cacheEntry = cacheMap->at(cacheIdentifierList[i]);
     ASSERT(!cacheEntry->useCount());
     removeFromCacheInternal(cacheEntry, cacheMap, identifierMap, deletionList);
   }
 }
 
 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