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diff --git a/chromium/content/browser/indexed_db/indexed_db_cursor.h b/chromium/content/browser/indexed_db/indexed_db_cursor.h
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+++ b/chromium/content/browser/indexed_db/indexed_db_cursor.h
@@ -0,0 +1,67 @@
+// 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_CURSOR_H_
+#define CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_CURSOR_H_
+
+#include <string>
+
+#include "base/basictypes.h"
+#include "base/memory/ref_counted.h"
+#include "base/memory/scoped_ptr.h"
+#include "content/browser/indexed_db/indexed_db_backing_store.h"
+#include "content/browser/indexed_db/indexed_db_database.h"
+#include "content/common/indexed_db/indexed_db_key_range.h"
+
+namespace content {
+
+class IndexedDBTransaction;
+
+class CONTENT_EXPORT IndexedDBCursor
+    : NON_EXPORTED_BASE(public base::RefCounted<IndexedDBCursor>) {
+ public:
+  IndexedDBCursor(scoped_ptr<IndexedDBBackingStore::Cursor> cursor,
+                  indexed_db::CursorType cursor_type,
+                  IndexedDBDatabase::TaskType task_type,
+                  IndexedDBTransaction* transaction);
+
+  void Advance(uint32 count, scoped_refptr<IndexedDBCallbacks> callbacks);
+  void Continue(scoped_ptr<IndexedDBKey> key,
+                scoped_refptr<IndexedDBCallbacks> callbacks);
+  void PrefetchContinue(int number_to_fetch,
+                        scoped_refptr<IndexedDBCallbacks> callbacks);
+  void PrefetchReset(int used_prefetches, int unused_prefetches);
+
+  const IndexedDBKey& key() const { return cursor_->key(); }
+  const IndexedDBKey& primary_key() const { return cursor_->primary_key(); }
+  std::string* Value() const {
+    return (cursor_type_ == indexed_db::CURSOR_KEY_ONLY) ? NULL
+                                                         : cursor_->Value();
+  }
+  void Close();
+
+ private:
+  friend class base::RefCounted<IndexedDBCursor>;
+
+  ~IndexedDBCursor();
+
+  class CursorIterationOperation;
+  class CursorAdvanceOperation;
+  class CursorPrefetchIterationOperation;
+
+  IndexedDBDatabase::TaskType task_type_;
+  indexed_db::CursorType cursor_type_;
+  const scoped_refptr<IndexedDBTransaction> transaction_;
+
+  // Must be destroyed before transaction_.
+  scoped_ptr<IndexedDBBackingStore::Cursor> cursor_;
+  // Must be destroyed before transaction_.
+  scoped_ptr<IndexedDBBackingStore::Cursor> saved_cursor_;
+
+  bool closed_;
+};
+
+}  // namespace content
+
+#endif  // CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_CURSOR_H_