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

Source/modules/webdatabase/Database.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 126 matching lines @@
 void Database::runTransaction(PassOwnPtr<SQLTransactionCallback> callback, PassOwnPtr<SQLTransactionErrorCallback> errorCallback,
     PassOwnPtr<VoidCallback> successCallback, bool readOnly, const ChangeVersionData* changeVersionData)
 {
     // FIXME: Rather than passing errorCallback to SQLTransaction and then sometimes firing it ourselves,
     // this code should probably be pushed down into DatabaseBackend so that we only create the SQLTransaction
     // if we're actually going to run it.
 #if !ASSERT_DISABLED
     SQLTransactionErrorCallback* originalErrorCallback = errorCallback.get();
 #endif
     RefPtrWillBeRawPtr<SQLTransaction> transaction = SQLTransaction::create(this, callback, successCallback, errorCallback, readOnly);
-    RefPtr<SQLTransactionBackend> transactionBackend = backend()->runTransaction(transaction, readOnly, changeVersionData);
+    RefPtrWillBeRawPtr<SQLTransactionBackend> transactionBackend = backend()->runTransaction(transaction, readOnly, changeVersionData);
     if (!transactionBackend) {
         OwnPtr<SQLTransactionErrorCallback> callback = transaction->releaseErrorCallback();
         ASSERT(callback == originalErrorCallback);
         if (callback) {
             RefPtr<SQLError> error = SQLError::create(SQLError::UNKNOWN_ERR, "database has been closed");
             executionContext()->postTask(createCallbackTask(&callTransactionErrorCallback, callback.release(), error.release()));
         }
     }
 }
 
@@ skipping 84 matching lines @@
     backend()->reportStartTransactionResult(errorSite, webSqlErrorCode, sqliteErrorCode);
 }
 
 void Database::reportCommitTransactionResult(int errorSite, int webSqlErrorCode, int sqliteErrorCode)
 {
     backend()->reportCommitTransactionResult(errorSite, webSqlErrorCode, sqliteErrorCode);
 }
 
 
 } // namespace WebCore