DevTools: remove async operation's AsyncCallChain when the operation is complete

Source/core/inspector/InspectorDebuggerAgent.cpp

 /*
  * Copyright (C) 2010 Apple Inc. All rights reserved.
  * 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:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 1118 matching lines @@
         scriptDebugServer().setPauseOnNextStatement(true);
     } else {
         if (m_currentAsyncCallChain)
             ++m_nestedAsyncCallCount;
     }
 }
 
 void InspectorDebuggerAgent::traceAsyncOperationCompleted(int operationId)
 {
     ASSERT(operationId > 0 || operationId == unknownAsyncOperationId);
+    if (operationId > 0) {
+        m_asyncOperations.remove(operationId);
+        m_asyncOperationsForStepInto.remove(operationId);
+    }
     if (!m_performingAsyncStepIn)
         return;
-    if (operationId > 0)
-        m_asyncOperationsForStepInto.remove(operationId);
     if (!m_inAsyncOperationForStepInto && m_asyncOperationsForStepInto.isEmpty())
         clearStepIntoAsync();
 }
 
 void InspectorDebuggerAgent::resetAsyncCallTracker()
 {
     m_currentAsyncCallChain.clear();
     m_nestedAsyncCallCount = 0;
     for (auto& listener: m_asyncCallTrackingListeners)
         listener->resetAsyncOperations();
@@ skipping 395 matching lines @@
     visitor->trace(m_v8AsyncCallTracker);
     visitor->trace(m_promiseTracker);
     visitor->trace(m_asyncOperationsForStepInto);
     visitor->trace(m_currentAsyncCallChain);
     visitor->trace(m_asyncCallTrackingListeners);
 #endif
     InspectorBaseAgent::trace(visitor);
 }
 
 } // namespace blink