IndexedDB: Remove IndexedDBCallbacksWrapper

content/browser/indexed_db/indexed_db_index_writer.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_INDEX_WRITER_H_
 #define CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_INDEX_WRITER_H_
 
 #include <map>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_vector.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_metadata.h"
 #include "content/common/indexed_db/indexed_db_key_path.h"
 
 namespace content {
 
-class IndexedDBDatabase;
 class IndexedDBTransaction;
 struct IndexedDBObjectStoreMetadata;
 
 class IndexWriter {
  public:
   explicit IndexWriter(const IndexedDBIndexMetadata& index_metadata);
 
   IndexWriter(const IndexedDBIndexMetadata& index_metadata,
               const IndexedDBDatabase::IndexKeys& index_keys);
 
@@ skipping 37 matching lines @@
     bool key_was_generated,
     const std::vector<int64>& index_ids,
     const std::vector<IndexedDBDatabase::IndexKeys>& index_keys,
     ScopedVector<IndexWriter>* index_writers,
     string16* error_message,
     bool* completed) WARN_UNUSED_RESULT;
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_INDEX_WRITER_H_