It is currently blank. The reason is that when identifierForInitialRequest is called, there are no headers available in request yet.
Created attachment 44904 [details] [PATC] Proposed fix.
style-queue ran check-webkit-style on attachment 44904 [details] without any errors.
Committing to http://svn.webkit.org/repository/webkit/trunk ... M WebCore/ChangeLog M WebCore/inspector/InspectorController.cpp M WebCore/inspector/InspectorResource.cpp M WebCore/inspector/InspectorResource.h Committed r52169