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

Source/core/inspector/InspectorDebuggerAgent.cpp

Index: Source/core/inspector/InspectorDebuggerAgent.cpp
diff --git a/Source/core/inspector/InspectorDebuggerAgent.cpp b/Source/core/inspector/InspectorDebuggerAgent.cpp
index 5c127b63823b666559751ea85ec405ab60713b1d..6e37e6caaca730027cb0b976564b3d756f2ea30a 100644
--- a/Source/core/inspector/InspectorDebuggerAgent.cpp
+++ b/Source/core/inspector/InspectorDebuggerAgent.cpp
@@ -1136,10 +1136,12 @@ void InspectorDebuggerAgent::traceAsyncCallbackStarting(int operationId)
 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();
 }