Remove get from CrossThreadPersistent to avoid accidental use

third_party/WebKit/Source/modules/webdatabase/Database.cpp

 /*
  * Copyright (C) 2013 Apple 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
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 315 matching lines @@
 void Database::scheduleTransaction()
 {
     ASSERT(!m_transactionInProgressMutex.tryLock()); // Locked by caller.
     SQLTransactionBackend* transaction = nullptr;
 
     if (m_isTransactionQueueEnabled && !m_transactionQueue.isEmpty())
         transaction = m_transactionQueue.takeFirst();
 
     if (transaction && getDatabaseContext()->databaseThreadAvailable()) {
         OwnPtr<DatabaseTransactionTask> task = DatabaseTransactionTask::create(transaction);
-        WTF_LOG(StorageAPI, "Scheduling DatabaseTransactionTask %p for transaction %p\n", task.get(), task->transaction());
+        WTF_LOG(StorageAPI, "Scheduling DatabaseTransactionTask %p for transaction %p\n", task.get(), task->transaction().unsafeGet());
         m_transactionInProgress = true;
         getDatabaseContext()->databaseThread()->scheduleTask(std::move(task));
     } else {
         m_transactionInProgress = false;
     }
 }
 
 void Database::scheduleTransactionStep(SQLTransactionBackend* transaction)
 {
     if (!getDatabaseContext()->databaseThreadAvailable())
@@ skipping 556 matching lines @@
         return m_databaseThreadSecurityOrigin.get();
     return 0;
 }
 
 bool Database::opened()
 {
     return static_cast<bool>(acquireLoad(&m_opened));
 }
 
 } // namespace blink