Align IndexedDB metadata rollback on transaction abort to spec.

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

Index: third_party/WebKit/Source/modules/indexeddb/IDBOpenDBRequest.cpp
diff --git a/third_party/WebKit/Source/modules/indexeddb/IDBOpenDBRequest.cpp b/third_party/WebKit/Source/modules/indexeddb/IDBOpenDBRequest.cpp
index 0e0e4d7bbc3736348539d490c2c6be486c5f0c33..64fe4fb7dbfcb4d42cabd9ec548889ee5e8ed669 100644
--- a/third_party/WebKit/Source/modules/indexeddb/IDBOpenDBRequest.cpp
+++ b/third_party/WebKit/Source/modules/indexeddb/IDBOpenDBRequest.cpp
@@ -100,10 +100,9 @@ void IDBOpenDBRequest::onUpgradeNeeded(int64_t oldVersion, std::unique_ptr<WebID
         // This database hasn't had a version before.
         oldVersion = IDBDatabaseMetadata::DefaultVersion;
     }
-    IDBDatabaseMetadata oldMetadata(metadata);
-    oldMetadata.version = oldVersion;
+    IDBDatabaseMetadata oldDatabaseMetadata(metadata.name, metadata.id, oldVersion, metadata.maxObjectStoreId);
 
-    m_transaction = IDBTransaction::createVersionChange(getScriptState(), m_transactionId, idbDatabase, this, oldMetadata);
+    m_transaction = IDBTransaction::createVersionChange(getScriptState(), m_transactionId, idbDatabase, this, oldDatabaseMetadata);
     setResult(IDBAny::create(idbDatabase));
 
     if (m_version == IDBDatabaseMetadata::NoVersion)