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

third_party/WebKit/Source/modules/indexeddb/IDBTransaction.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 200 matching lines @@
   int64_t objectStoreId = m_database->findObjectStoreId(name);
   if (objectStoreId == IDBObjectStoreMetadata::InvalidId) {
     DCHECK(isVersionChange());
     exceptionState.throwDOMException(
         NotFoundError, IDBDatabase::noSuchObjectStoreErrorMessage);
     return nullptr;
   }
 
   DCHECK(m_database->metadata().objectStores.contains(objectStoreId));
   RefPtr<IDBObjectStoreMetadata> objectStoreMetadata =
-      m_database->metadata().objectStores.get(objectStoreId);
+      m_database->metadata().objectStores.at(objectStoreId);
   DCHECK(objectStoreMetadata.get());
 
   IDBObjectStore* objectStore =
       IDBObjectStore::create(std::move(objectStoreMetadata), this);
   DCHECK(!m_objectStoreMap.contains(name));
   m_objectStoreMap.set(name, objectStore);
 
   if (isVersionChange()) {
     DCHECK(!objectStore->isNewlyCreated())
         << "Object store IDs are not assigned sequentially";
@@ skipping 25 matching lines @@
       << "A non-versionchange transaction deleted an object store";
   IDBObjectStoreMap::iterator it = m_objectStoreMap.find(name);
   if (it == m_objectStoreMap.end()) {
     // No IDBObjectStore instance was created for the deleted store in this
     // transaction. This happens if IDBDatabase.deleteObjectStore() is called
     // with the name of a store that wasn't instantated. We need to be able to
     // revert the metadata change if the transaction aborts, in order to return
     // correct values from IDB{Database, Transaction}.objectStoreNames.
     DCHECK(m_database->metadata().objectStores.contains(objectStoreId));
     RefPtr<IDBObjectStoreMetadata> metadata =
-        m_database->metadata().objectStores.get(objectStoreId);
+        m_database->metadata().objectStores.at(objectStoreId);
     DCHECK(metadata.get());
     DCHECK_EQ(metadata->name, name);
     m_deletedObjectStores.push_back(std::move(metadata));
   } else {
     IDBObjectStore* objectStore = it->value;
     m_objectStoreMap.erase(name);
     objectStore->markDeleted();
     if (objectStore->id() > m_oldDatabaseMetadata.maxObjectStoreId) {
       // The store was created and deleted in this transaction, so it will
       // not be restored even if the transaction aborts. We have just
@@ skipping 317 matching lines @@
     IDBObjectStore* objectStore = it.key;
     objectStore->clearIndexCache();
   }
   m_oldStoreMetadata.clear();
 
   m_deletedIndexes.clear();
   m_deletedObjectStores.clear();
 }
 
 }  // namespace blink