Move delivery of upload 'progress' events to XMLHttpRequestUpload.

Source/core/xml/XMLHttpRequestUpload.h

Index: Source/core/xml/XMLHttpRequestUpload.h
diff --git a/Source/core/xml/XMLHttpRequestUpload.h b/Source/core/xml/XMLHttpRequestUpload.h
index f9a8d1476dce8d7942ed5c932babb40499b3c9f1..81855a72b5655bfa5dfc773c10c2128790965c18 100644
--- a/Source/core/xml/XMLHttpRequestUpload.h
+++ b/Source/core/xml/XMLHttpRequestUpload.h
@@ -59,6 +59,7 @@ public:
     virtual ExecutionContext* executionContext() const OVERRIDE;
 
     void dispatchEventAndLoadEnd(PassRefPtr<Event>);
+    void dispatchProgressEvent(unsigned long long bytesSent, unsigned long long totalBytesToBeSent);
 
 private:
     explicit XMLHttpRequestUpload(XMLHttpRequest*);
@@ -68,6 +69,11 @@ private:
 
     XMLHttpRequest* m_xmlHttpRequest;
     EventTargetData m_eventTargetData;
+
+    // Last progress event values; used when issuing the
+    // required 'progress' event on a request error or abort.
+    unsigned long long m_lastBytesSent;
+    unsigned long long m_lastTotalBytesToBeSent;
 };
 
 } // namespace WebCore