Remove content/browser dependency on WebKit::WebIDBCallbacks and WebKit::WebIDBDatabaseCallbacks

content/browser/indexed_db/indexed_db_database.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_DATABASE_H_
 #define CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_DATABASE_H_
 
 #include <list>
 #include <map>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
 #include "content/browser/indexed_db/indexed_db.h"
 #include "content/browser/indexed_db/indexed_db_callbacks_wrapper.h"
 #include "content/browser/indexed_db/indexed_db_metadata.h"
 #include "content/browser/indexed_db/indexed_db_transaction_coordinator.h"
 #include "content/browser/indexed_db/list_set.h"
 
 namespace content {
 
+class IndexedDBCallbacksWrapper;
+class IndexedDBDatabaseCallbacksWrapper;
 class IndexedDBBackingStore;
 class IndexedDBFactory;
 class IndexedDBKey;
 class IndexedDBKeyPath;
 class IndexedDBKeyRange;
 class IndexedDBTransaction;
 
 class CONTENT_EXPORT IndexedDBDatabase
     : NON_EXPORTED_BASE(public base::RefCounted<IndexedDBDatabase>) {
  public:
@@ skipping 175 matching lines @@
   typedef list_set<scoped_refptr<IndexedDBDatabaseCallbacksWrapper> >
       DatabaseCallbacksSet;
   DatabaseCallbacksSet database_callbacks_set_;
 
   bool closing_connection_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_DATABASE_H_