Remove get from CrossThreadPersistent to avoid accidental use

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

 /*
  * Copyright (C) 2007, 2008, 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
@@ skipping 135 matching lines @@
 }
 
 bool DatabaseThread::isDatabaseOpen(Database* database)
 {
     ASSERT(isDatabaseThread());
     ASSERT(database);
     MutexLocker lock(m_terminationRequestedMutex);
     return !m_terminationRequested && m_openDatabaseSet.contains(database);
 }
 
+bool DatabaseThread::isDatabaseOpen(CrossThreadPersistent<Database> database)
+{
+    DCHECK(isDatabaseThread());
+    DCHECK(database);
+    MutexLocker lock(m_terminationRequestedMutex);
+    return !m_terminationRequested && m_openDatabaseSet.contains(database);
+}
+
 bool DatabaseThread::isDatabaseThread() const
 {
     // This function is called only from the main thread or the database
     // thread. If we are not in the main thread, we are in the database thread.
     return !isMainThread();
 }
 
 void DatabaseThread::scheduleTask(PassOwnPtr<DatabaseTask> task)
 {
     ASSERT(m_thread);
 #if ENABLE(ASSERT)
     {
         MutexLocker lock(m_terminationRequestedMutex);
         ASSERT(!m_terminationRequested);
     }
 #endif
     // WebThread takes ownership of the task.
     m_thread->postTask(BLINK_FROM_HERE, threadSafeBind(&DatabaseTask::run, std::move(task)));
 }
 
 } // namespace blink