[IndexedDB] Adding async tracing for renderer calls.

third_party/WebKit/Source/modules/indexeddb/IDBIndex.h

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 93 matching lines @@
 
     // Index IDs are allocated sequentially, so we can tell if an index was
     // created in this transaction by comparing its ID against the object
     // store's maximum index ID at the time when the transaction was started.
     return Id() > old_object_store_metadata.max_index_id;
   }
 
   void RevertMetadata(RefPtr<IDBIndexMetadata> old_metadata);
 
   // Used internally and by InspectorIndexedDBAgent:
-  IDBRequest* openCursor(ScriptState*, IDBKeyRange*, WebIDBCursorDirection);
+  IDBRequest* openCursor(
+      ScriptState*,
+      IDBKeyRange*,
+      WebIDBCursorDirection,
+      IDBRequest::AsyncTraceState = IDBRequest::AsyncTraceState());
 
   WebIDBDatabase* BackendDB() const;
 
  private:
   IDBIndex(RefPtr<IDBIndexMetadata>, IDBObjectStore*, IDBTransaction*);
 
   const IDBIndexMetadata& Metadata() const { return *metadata_; }
 
   IDBRequest* GetInternal(ScriptState*,
                           const ScriptValue& key,
                           ExceptionState&,
                           bool key_only);
   IDBRequest* GetAllInternal(ScriptState*,
                              const ScriptValue& range,
                              unsigned long max_count,
                              ExceptionState&,
                              bool key_only);
 
   RefPtr<IDBIndexMetadata> metadata_;
   Member<IDBObjectStore> object_store_;
   Member<IDBTransaction> transaction_;
   bool deleted_ = false;
 };
 
 }  // namespace blink
 
 #endif  // IDBIndex_h