[XHR] Call internalAbort() before firing events

Source/core/xml/XMLHttpRequest.cpp

Index: Source/core/xml/XMLHttpRequest.cpp
diff --git a/Source/core/xml/XMLHttpRequest.cpp b/Source/core/xml/XMLHttpRequest.cpp
index 50bb426ce457d742965400376e0a28e5be529a01..30c501640c68d1f1d7c453ae08f7ca615b3f6e22 100644
--- a/Source/core/xml/XMLHttpRequest.cpp
+++ b/Source/core/xml/XMLHttpRequest.cpp
@@ -982,9 +982,11 @@ void XMLHttpRequest::handleNetworkError()
     long long expectedLength = m_response.expectedContentLength();
     long long receivedLength = m_receivedLength;
 
+    if (!internalAbort())
+        return;
+
     handleDidFailGeneric();
     handleRequestError(NetworkError, EventTypeNames::error, receivedLength, expectedLength);
-    internalAbort();
 }
 
 void XMLHttpRequest::handleDidCancel()