Revert "Remove OwnPtr from Blink."

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 21 matching lines @@
 #include "core/dom/ExceptionCode.h"
 #include "core/dom/ExecutionContext.h"
 #include "core/events/EventQueue.h"
 #include "modules/IndexedDBNames.h"
 #include "modules/indexeddb/IDBDatabase.h"
 #include "modules/indexeddb/IDBEventDispatcher.h"
 #include "modules/indexeddb/IDBIndex.h"
 #include "modules/indexeddb/IDBObjectStore.h"
 #include "modules/indexeddb/IDBOpenDBRequest.h"
 #include "modules/indexeddb/IDBTracing.h"
-#include "wtf/PtrUtil.h"
-#include <memory>
 
 using blink::WebIDBDatabase;
 
 namespace blink {
 
 IDBTransaction* IDBTransaction::create(ScriptState* scriptState, int64_t id, const HashSet<String>& objectStoreNames, WebIDBTransactionMode mode, IDBDatabase* db)
 {
     IDBOpenDBRequest* openDBRequest = nullptr;
     IDBTransaction* transaction = new IDBTransaction(scriptState, id, objectStoreNames, mode, db, openDBRequest, IDBDatabaseMetadata());
     transaction->suspendIfNeeded();
     return transaction;
 }
 
 IDBTransaction* IDBTransaction::create(ScriptState* scriptState, int64_t id, IDBDatabase* db, IDBOpenDBRequest* openDBRequest, const IDBDatabaseMetadata& previousMetadata)
 {
     IDBTransaction* transaction = new IDBTransaction(scriptState, id, HashSet<String>(), WebIDBTransactionModeVersionChange, db, openDBRequest, previousMetadata);
     transaction->suspendIfNeeded();
     return transaction;
 }
 
 namespace {
 
 class DeactivateTransactionTask : public V8PerIsolateData::EndOfScopeTask {
 public:
-    static std::unique_ptr<DeactivateTransactionTask> create(IDBTransaction* transaction)
+    static PassOwnPtr<DeactivateTransactionTask> create(IDBTransaction* transaction)
     {
-        return wrapUnique(new DeactivateTransactionTask(transaction));
+        return adoptPtr(new DeactivateTransactionTask(transaction));
     }
 
     void run() override
     {
         m_transaction->setActive(false);
         m_transaction.clear();
     }
 
 private:
     explicit DeactivateTransactionTask(IDBTransaction* transaction)
@@ skipping 342 matching lines @@
     event->setTarget(this);
     eventQueue->enqueueEvent(event);
 }
 
 WebIDBDatabase* IDBTransaction::backendDB() const
 {
     return m_database->backend();
 }
 
 } // namespace blink