HTTP_PROXY_REQUEST

I have a scenario where a customer wants to do proxy -chaining on one of thier vips (explicit proxy), but still wants to use URL filtering through SWG as well (SWG on 11.6 , no ssl intercept) I noticed that the first example Irule above allowed for proxy chaining, but seemed to obfuscate the URI and during the URL category lookup for SWG , it would always show "uncatergorized" in the log and through the SWG interface . I went back and modifed the proxy chain Irule so that HTTPS traffic will use the "HTTP::proxy disable" command, (look for CONNECT as method) but make HTTP traffic get the URI manipulated manually in the HTTP_REQUEST event (happens after the HTTP_PROXY event). This seems to fix the SWG category lookup error I was seeing but wanted to see if anyone had any recommendations. Here is an example from the APM log: perflow.category_lookup.result.url, value: http://www.simplesite.comhttp://www.simplesite.com/android-chrome-192x192.png