void SQLTransactionCoordinator::acquireLock(SQLTransaction* transaction)
{
    String dbIdentifier = getDatabaseIdentifier(transaction);

    CoordinationInfoMap::iterator coordinationInfoIterator = m_coordinationInfoMap.find(dbIdentifier);
    if (coordinationInfoIterator == m_coordinationInfoMap.end()) {
        // No pending transactions for this DB
        coordinationInfoIterator = m_coordinationInfoMap.add(dbIdentifier, CoordinationInfo()).first;
    }

    CoordinationInfo& info = coordinationInfoIterator->second;
    info.pendingTransactions.append(transaction);
    processPendingTransactions(info);
}
void SQLTransactionCoordinator::acquireLock(SQLTransactionBackend* transaction)
{
    ASSERT(!m_isShuttingDown);

    String dbIdentifier = getDatabaseIdentifier(transaction);

    CoordinationInfoMap::iterator coordinationInfoIterator = m_coordinationInfoMap.find(dbIdentifier);
    if (coordinationInfoIterator == m_coordinationInfoMap.end()) {
        // No pending transactions for this DB
        coordinationInfoIterator = m_coordinationInfoMap.add(dbIdentifier, CoordinationInfo()).iterator;
    }

    CoordinationInfo& info = coordinationInfoIterator->value;
    info.pendingTransactions.append(transaction);
    processPendingTransactions(info);
}