Move Indexed DB from dedicated thread to task scheduler

content/browser/indexed_db/cursor_impl.h

Index: content/browser/indexed_db/cursor_impl.h
diff --git a/content/browser/indexed_db/cursor_impl.h b/content/browser/indexed_db/cursor_impl.h
index 9806765ad740831875594f54b120a2987abc24ff..94f3190272d772e32114e88d70a75e702239d128 100644
--- a/content/browser/indexed_db/cursor_impl.h
+++ b/content/browser/indexed_db/cursor_impl.h
@@ -46,9 +46,9 @@ class CursorImpl : public ::indexed_db::mojom::Cursor {
       const std::vector<std::string>& unused_blob_uuids) override;
 
  private:
-  class IDBThreadHelper;
+  class IDBSequenceHelper;
 
-  IDBThreadHelper* helper_;
+  IDBSequenceHelper* helper_;
   // This raw pointer is safe because all CursorImpl instances are owned by an
   // IndexedDBDispatcherHost.
   IndexedDBDispatcherHost* dispatcher_host_;