DevTools: use async operation id instead of AsyncCallChain

Source/core/inspector/AsyncCallTracker.h

 /*
  * Copyright (C) 2013 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 87 matching lines @@
     void traceAsyncCallbackStarting(ExecutionContext*, int operationId);
     void traceAsyncCallbackCompleted() { didFireAsyncCall(); };
 
     void trace(Visitor*) override;
 
     class ExecutionContextData;
 
 private:
     void willHandleXHREvent(XMLHttpRequest*, Event*);
 
-    void setCurrentAsyncCallChain(ExecutionContext*, PassRefPtrWillBeRawPtr<AsyncCallChain>);
+    void setCurrentAsyncCallChain(ExecutionContext*, int operationId);
     void didFireAsyncCall();
 
     ExecutionContextData* createContextDataIfNeeded(ExecutionContext*);
 
     using ExecutionContextDataMap = WillBeHeapHashMap<RawPtrWillBeMember<ExecutionContext>, OwnPtrWillBeMember<ExecutionContextData>>;
     ExecutionContextDataMap m_executionContextDataMap;
     RawPtrWillBeMember<InspectorDebuggerAgent> m_debuggerAgent;
     RawPtrWillBeMember<InstrumentingAgents> m_instrumentingAgents;
 };
 
 } // namespace blink
 
 #endif // AsyncCallTracker_h