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

third_party/WebKit/Source/modules/indexeddb/IDBObjectStore.cpp

 /*
  * Copyright (C) 2010 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
@@ skipping 805 matching lines @@
     return it->value;
 
   int64_t indexId = findIndexId(name);
   if (indexId == IDBIndexMetadata::InvalidId) {
     exceptionState.throwDOMException(NotFoundError,
                                      IDBDatabase::noSuchIndexErrorMessage);
     return nullptr;
   }
 
   DCHECK(metadata().indexes.contains(indexId));
-  RefPtr<IDBIndexMetadata> indexMetadata = metadata().indexes.get(indexId);
+  RefPtr<IDBIndexMetadata> indexMetadata = metadata().indexes.at(indexId);
   DCHECK(indexMetadata.get());
   IDBIndex* index =
       IDBIndex::create(std::move(indexMetadata), this, m_transaction.get());
   m_indexMap.set(name, index);
   return index;
 }
 
 void IDBObjectStore::deleteIndex(const String& name,
                                  ExceptionState& exceptionState) {
   IDB_TRACE("IDBObjectStore::deleteIndex");
@@ skipping 218 matching lines @@
       DCHECK(!oldMetadata->indexes.contains(indexId));
       index->markDeleted();
       continue;
     }
 
     // The index was created in a previous transaction. We need to revert
     // its metadata. The index might have been deleted, so we
     // unconditionally reset the deletion marker.
     DCHECK(oldMetadata->indexes.contains(indexId));
     RefPtr<IDBIndexMetadata> oldIndexMetadata =
-        oldMetadata->indexes.get(indexId);
+        oldMetadata->indexes.at(indexId);
     index->revertMetadata(std::move(oldIndexMetadata));
   }
   m_metadata = std::move(oldMetadata);
 
   // An object store's metadata will only get reverted if the index was in the
   // database when the versionchange transaction started.
   m_deleted = false;
 }
 
 void IDBObjectStore::revertDeletedIndexMetadata(IDBIndex& deletedIndex) {
   DCHECK(m_transaction->isVersionChange());
   DCHECK(!m_transaction->isActive());
   DCHECK(deletedIndex.objectStore() == this);
   DCHECK(deletedIndex.isDeleted());
 
   const int64_t indexId = deletedIndex.id();
   DCHECK(m_metadata->indexes.contains(indexId))
       << "The object store's metadata was not correctly reverted";
-  RefPtr<IDBIndexMetadata> oldIndexMetadata = m_metadata->indexes.get(indexId);
+  RefPtr<IDBIndexMetadata> oldIndexMetadata = m_metadata->indexes.at(indexId);
   deletedIndex.revertMetadata(std::move(oldIndexMetadata));
 }
 
 void IDBObjectStore::renameIndex(int64_t indexId, const String& newName) {
   DCHECK(m_transaction->isVersionChange());
   DCHECK(m_transaction->isActive());
 
   backendDB()->renameIndex(m_transaction->id(), id(), indexId, newName);
 
   auto metadataIterator = m_metadata->indexes.find(indexId);
@@ skipping 16 matching lines @@
     }
   }
   return IDBIndexMetadata::InvalidId;
 }
 
 WebIDBDatabase* IDBObjectStore::backendDB() const {
   return m_transaction->backendDB();
 }
 
 }  // namespace blink