IndexedDB: Remove IndexedDBCallbacksWrapper

content/browser/indexed_db/indexed_db_transaction.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_H_
 #define CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_TRANSACTION_H_
 
 #include <queue>
 #include <set>
 #include <stack>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/timer/timer.h"
 #include "content/browser/indexed_db/indexed_db_backing_store.h"
 #include "content/browser/indexed_db/indexed_db_database.h"
 #include "content/browser/indexed_db/indexed_db_database_error.h"
 
 namespace content {
 
-class IndexedDBDatabase;
 class IndexedDBCursor;
 class IndexedDBDatabaseCallbacks;
 
 class IndexedDBTransaction : public base::RefCounted<IndexedDBTransaction> {
  public:
   static scoped_refptr<IndexedDBTransaction> Create(
       int64 transaction_id,
       scoped_refptr<IndexedDBDatabaseCallbacks> callbacks,
       const std::vector<int64>& scope,
       indexed_db::TransactionMode,
@@ skipping 113 matching lines @@
 
   base::OneShotTimer<IndexedDBTransaction> task_timer_;
   int pending_preemptive_events_;
 
   std::set<IndexedDBCursor*> open_cursors_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_TRANSACTION_H_