Oilpan: Prepare to move AbstractSQLTransactionBackend, SQLTransactionBackend, and SQLTransactionCoo…

Source/modules/webdatabase/DatabaseTask.h

 /*
  * 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 124 matching lines @@
 #if !LOG_DISABLED
     virtual const char* debugTaskName() const OVERRIDE;
 #endif
 };
 
 class DatabaseBackend::DatabaseTransactionTask FINAL : public DatabaseTask {
 public:
     virtual ~DatabaseTransactionTask();
 
     // Transaction task is never synchronous, so no 'synchronizer' parameter.
-    static PassOwnPtr<DatabaseTransactionTask> create(PassRefPtr<SQLTransactionBackend> transaction)
+    static PassOwnPtr<DatabaseTransactionTask> create(PassRefPtrWillBeRawPtr<SQLTransactionBackend> transaction)
     {
         return adoptPtr(new DatabaseTransactionTask(transaction));
     }
 
     SQLTransactionBackend* transaction() const { return m_transaction.get(); }
 
 private:
-    explicit DatabaseTransactionTask(PassRefPtr<SQLTransactionBackend>);
+    explicit DatabaseTransactionTask(PassRefPtrWillBeRawPtr<SQLTransactionBackend>);
 
     virtual void doPerformTask() OVERRIDE;
     virtual void taskCancelled() OVERRIDE;
 #if !LOG_DISABLED
     virtual const char* debugTaskName() const OVERRIDE;
 #endif
 
-    RefPtr<SQLTransactionBackend> m_transaction;
+    RefPtrWillBeCrossThreadPersistent<SQLTransactionBackend> m_transaction;
 };
 
 class DatabaseBackend::DatabaseTableNamesTask FINAL : public DatabaseTask {
 public:
     static PassOwnPtr<DatabaseTableNamesTask> create(DatabaseBackend* db, DatabaseTaskSynchronizer* synchronizer, Vector<String>& names)
     {
         return adoptPtr(new DatabaseTableNamesTask(db, synchronizer, names));
     }
 
 private:
     DatabaseTableNamesTask(DatabaseBackend*, DatabaseTaskSynchronizer*, Vector<String>& names);
 
     virtual void doPerformTask() OVERRIDE;
 #if !LOG_DISABLED
     virtual const char* debugTaskName() const OVERRIDE;
 #endif
 
     Vector<String>& m_tableNames;
 };
 
 } // namespace WebCore
 
 #endif // DatabaseTask_h