ProgressEventAction  441 Source/core/xml/XMLHttpRequest.cpp         ProgressEventAction flushAction = DoNotFlushProgressEvent;
ProgressEventAction   78 Source/core/xml/XMLHttpRequestProgressEventThrottle.cpp void XMLHttpRequestProgressEventThrottle::dispatchReadyStateChangeEvent(PassRefPtrWillBeRawPtr<Event> event, ProgressEventAction progressEventAction)
ProgressEventAction   56 Source/core/xml/XMLHttpRequestProgressEventThrottle.h     void dispatchReadyStateChangeEvent(PassRefPtrWillBeRawPtr<Event>, ProgressEventAction = DoNotFlushProgressEvent);