DevTools: Fix async stacks instrumentation for XHRs.

Source/core/inspector/AsyncCallStackTracker.h

Index: Source/core/inspector/AsyncCallStackTracker.h
diff --git a/Source/core/inspector/AsyncCallStackTracker.h b/Source/core/inspector/AsyncCallStackTracker.h
index e049395efd94b4131ad867dd810873cbf7ac726b..900c79d9384a7f607e1ae377a654c875448342cd 100644
--- a/Source/core/inspector/AsyncCallStackTracker.h
+++ b/Source/core/inspector/AsyncCallStackTracker.h
@@ -92,7 +92,9 @@ public:
     void didEnqueueEvent(EventTarget*, Event*, const ScriptValue& callFrames);
     void didRemoveEvent(EventTarget*, Event*);
     void willHandleEvent(EventTarget*, Event*, EventListener*, bool useCapture);
+
     void willLoadXHR(XMLHttpRequest*, const ScriptValue& callFrames);
+    void didLoadXHR(XMLHttpRequest*);
 
     void didEnqueueMutationRecord(ExecutionContext*, MutationObserver*, const ScriptValue& callFrames);
     bool hasEnqueuedMutationRecord(ExecutionContext*, MutationObserver*);
@@ -110,7 +112,7 @@ public:
     void clear();
 
 private:
-    void willHandleXHREvent(XMLHttpRequest*, EventTarget*, Event*);
+    void willHandleXHREvent(XMLHttpRequest*, Event*);
 
     PassRefPtr<AsyncCallChain> createAsyncCallChain(const String& description, const ScriptValue& callFrames);
     void setCurrentAsyncCallChain(ExecutionContext*, PassRefPtr<AsyncCallChain>);