Oilpan: Enable oilpan for callback classes

Source/modules/webdatabase/SQLStatement.h

 /*
  * 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 28 matching lines @@
 class Database;
 class SQLError;
 class SQLStatementBackend;
 class SQLStatementCallback;
 class SQLStatementErrorCallback;
 class SQLTransaction;
 
 class SQLStatement FINAL : public NoBaseWillBeGarbageCollectedFinalized<SQLStatement> {
 public:
     static PassOwnPtrWillBeRawPtr<SQLStatement> create(Database*,
-        PassOwnPtrWillBeRawPtr<SQLStatementCallback>, PassOwnPtrWillBeRawPtr<SQLStatementErrorCallback>);
+        SQLStatementCallback*, SQLStatementErrorCallback*);
     ~SQLStatement();
     void trace(Visitor*);
 
     bool performCallback(SQLTransaction*);
 
     void setBackend(SQLStatementBackend*);
 
     bool hasCallback();
     bool hasErrorCallback();
 
 private:
-    SQLStatement(Database*, PassOwnPtrWillBeRawPtr<SQLStatementCallback>, PassOwnPtrWillBeRawPtr<SQLStatementErrorCallback>);
+    SQLStatement(Database*, SQLStatementCallback*, SQLStatementErrorCallback*);
 
     // The SQLStatementBackend owns the SQLStatement. Hence, the backend is
     // guaranteed to be outlive the SQLStatement, and it is safe for us to refer
     // to the backend using a raw pointer here.
     RawPtrWillBeMember<SQLStatementBackend> m_backend;
 
     SQLCallbackWrapper<SQLStatementCallback> m_statementCallbackWrapper;
     SQLCallbackWrapper<SQLStatementErrorCallback> m_statementErrorCallbackWrapper;
 };
 
 } // namespace blink
 
 #endif // SQLStatement_h