Oilpan: Prepare to move AbstractSQLStatement, SQLStatement, and SQLCallbackWrapper<T> to Oilpan hea…

Source/modules/webdatabase/SQLStatement.cpp

 /*
  * Copyright (C) 2007, 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 24 matching lines @@
 #include "modules/webdatabase/AbstractSQLStatementBackend.h"
 #include "modules/webdatabase/Database.h"
 #include "modules/webdatabase/DatabaseManager.h"
 #include "modules/webdatabase/SQLStatementCallback.h"
 #include "modules/webdatabase/SQLStatementErrorCallback.h"
 #include "modules/webdatabase/SQLTransaction.h"
 #include "wtf/text/CString.h"
 
 namespace WebCore {
 
-PassOwnPtr<SQLStatement> SQLStatement::create(Database* database,
+PassOwnPtrWillBeRawPtr<SQLStatement> SQLStatement::create(Database* database,
     PassOwnPtr<SQLStatementCallback> callback, PassOwnPtr<SQLStatementErrorCallback> errorCallback)
 {
-    return adoptPtr(new SQLStatement(database, callback, errorCallback));
+    return adoptPtrWillBeNoop(new SQLStatement(database, callback, errorCallback));
 }
 
 SQLStatement::SQLStatement(Database* database, PassOwnPtr<SQLStatementCallback> callback,
     PassOwnPtr<SQLStatementErrorCallback> errorCallback)
     : m_statementCallbackWrapper(callback, database->executionContext())
     , m_statementErrorCallbackWrapper(errorCallback, database->executionContext())
 {
 }
 
+void SQLStatement::trace(Visitor* visitor)
+{
+    visitor->trace(m_backend);
+    visitor->trace(m_statementCallbackWrapper);
+    visitor->trace(m_statementErrorCallbackWrapper);
+    AbstractSQLStatement::trace(visitor);
+}
+
 void SQLStatement::setBackend(AbstractSQLStatementBackend* backend)
 {
     m_backend = backend;
 }
 
 bool SQLStatement::hasCallback()
 {
     return m_statementCallbackWrapper.hasCallback();
 }
 
@@ skipping 22 matching lines @@
         }
     } else if (callback) {
         RefPtrWillBeRawPtr<SQLResultSet> resultSet = m_backend->sqlResultSet();
         callbackError = !callback->handleEvent(transaction, resultSet.get());
     }
 
     return callbackError;
 }
 
 } // namespace WebCore