Align IndexedDB metadata rollback on transaction abort to spec.

third_party/WebKit/Source/modules/indexeddb/InspectorIndexedDBAgent.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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 295 matching lines @@
 
     ~DatabaseLoader() override { }
 
     void execute(IDBDatabase* idbDatabase) override
     {
         const IDBDatabaseMetadata databaseMetadata = idbDatabase->metadata();
 
         std::unique_ptr<protocol::Array<protocol::IndexedDB::ObjectStore>> objectStores = protocol::Array<protocol::IndexedDB::ObjectStore>::create();
 
         for (const auto& storeMapEntry : databaseMetadata.objectStores) {
-            const IDBObjectStoreMetadata& objectStoreMetadata = storeMapEntry.value;
+            const IDBObjectStoreMetadata& objectStoreMetadata = *storeMapEntry.value;
 
             std::unique_ptr<protocol::Array<protocol::IndexedDB::ObjectStoreIndex>> indexes = protocol::Array<protocol::IndexedDB::ObjectStoreIndex>::create();
 
             for (const auto& metadataMapEntry : objectStoreMetadata.indexes) {
-                const IDBIndexMetadata& indexMetadata = metadataMapEntry.value;
+                const IDBIndexMetadata& indexMetadata = *metadataMapEntry.value;
 
                 std::unique_ptr<ObjectStoreIndex> objectStoreIndex = ObjectStoreIndex::create()
                     .setName(indexMetadata.name)
                     .setKeyPath(keyPathFromIDBKeyPath(indexMetadata.keyPath))
                     .setUnique(indexMetadata.unique)
                     .setMultiEntry(indexMetadata.multiEntry).build();
                 indexes->addItem(std::move(objectStoreIndex));
             }
 
             std::unique_ptr<ObjectStore> objectStore = ObjectStore::create()
@@ skipping 494 matching lines @@
     clearObjectStore->start(idbFactory, document->getSecurityOrigin(), databaseName);
 }
 
 DEFINE_TRACE(InspectorIndexedDBAgent)
 {
     visitor->trace(m_inspectedFrames);
     InspectorBaseAgent::trace(visitor);
 }
 
 } // namespace blink