Factor out delivery of throttled progress event.

Source/core/xml/XMLHttpRequest.cpp

 /*
  *  Copyright (C) 2004, 2006, 2008 Apple Inc. All rights reserved.
  *  Copyright (C) 2005-2007 Alexey Proskuryakov <ap@webkit.org>
  *  Copyright (C) 2007, 2008 Julien Chaffraix <jchaffraix@webkit.org>
  *  Copyright (C) 2008, 2011 Google Inc. All rights reserved.
  *  Copyright (C) 2012 Intel Corporation
  *
  *  This library is free software; you can redistribute it and/or
  *  modify it under the terms of the GNU Lesser General Public
  *  License as published by the Free Software Foundation; either
@@ skipping 947 matching lines @@
 void XMLHttpRequest::dispatchEventAndLoadEnd(const AtomicString& type)
 {
     if (!m_uploadComplete) {
         m_uploadComplete = true;
         if (m_upload && m_uploadEventsAllowed)
             m_upload->dispatchEventAndLoadEnd(XMLHttpRequestProgressEvent::create(type));
     }
     m_progressEventThrottle.dispatchEventAndLoadEnd(XMLHttpRequestProgressEvent::create(type));
 }
 
+void XMLHttpRequest::dispatchThrottledProgressEvent()
+{
+    long long expectedLength = m_response.expectedContentLength();
+    bool lengthComputable = expectedLength > 0 && m_receivedLength <= expectedLength;
+    unsigned long long total = lengthComputable ? expectedLength : 0;
+
+    m_progressEventThrottle.dispatchProgressEvent(lengthComputable, m_receivedLength, total);
+}
+
 void XMLHttpRequest::handleNetworkError()
 {
     LOG(Network, "XMLHttpRequest %p handleNetworkError()", this);
 
     m_exceptionCode = NetworkError;
 
     handleDidFailGeneric();
 
     if (m_async) {
         changeState(DONE);
@@ skipping 313 matching lines @@
         if (!m_responseStream)
             m_responseStream = Stream::create(executionContext(), responseMIMEType());
         m_responseStream->addData(data, len);
     }
 
     if (m_error)
         return;
 
     m_receivedLength += len;
 
-    if (m_async) {
-        long long expectedLength = m_response.expectedContentLength();
-        bool lengthComputable = expectedLength > 0 && m_receivedLength <= expectedLength;
-        unsigned long long total = lengthComputable ? expectedLength : 0;
-
-        m_progressEventThrottle.dispatchProgressEvent(lengthComputable, m_receivedLength, total);
-    }
+    if (m_async)
+        dispatchThrottledProgressEvent();
 
     if (m_state != LOADING) {
         changeState(LOADING);
     } else {
         // Firefox calls readyStateChanged every time it receives data. Do
         // the same to align with Firefox.
         //
         // FIXME: Make our implementation and the spec consistent. This
         // behavior was needed when the progress event was not available.
         dispatchReadyStateChangeEvent();
@@ skipping 48 matching lines @@
 {
     return EventTargetNames::XMLHttpRequest;
 }
 
 ExecutionContext* XMLHttpRequest::executionContext() const
 {
     return ActiveDOMObject::executionContext();
 }
 
 } // namespace WebCore