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 325 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));
       }
@@ skipping 562 matching lines @@
   clearObjectStore->start(idbFactory, document->getSecurityOrigin(),
                           databaseName);
 }
 
 DEFINE_TRACE(InspectorIndexedDBAgent) {
   visitor->trace(m_inspectedFrames);
   InspectorBaseAgent::trace(visitor);
 }
 
 }  // namespace blink