IndexedDB: Sprinkle DISALLOW_COPY_AND_ASSIGN where appropriate

content/browser/indexed_db/indexed_db_transaction_coordinator.h

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_TRANSACTION_COORDINATOR_H_
 #define CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_TRANSACTION_COORDINATOR_H_
 
 #include <map>
 #include <set>
 #include <vector>
@@ skipping 29 matching lines @@
   void ProcessQueuedTransactions();
   bool CanStartTransaction(IndexedDBTransaction* const transaction,
                            const std::set<int64>& locked_scope) const;
 
   // Transactions in different states are grouped below.
   // list_set is used to provide stable ordering; required by spec
   // for the queue, convenience for diagnostics for the rest.
   typedef list_set<scoped_refptr<IndexedDBTransaction> > TransactionSet;
   TransactionSet queued_transactions_;
   TransactionSet started_transactions_;
+
+  DISALLOW_COPY_AND_ASSIGN(IndexedDBTransactionCoordinator);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_TRANSACTION_COORDINATOR_H_