EbookWebBrowser.apk - simply bacsmali it. Take a look at WebView.smali - since you were talking about "34" and refresh I though you are already familiar with what Sony does.
Take a look at
those slides for example - they are freely available.
I already described sequence known to me - I have nothing to add to what I already said. I tried to explain why any method of global changes is just a demo (IMHO) and would never be practical - I hope I understood your question properly.
What reasons do you have to believe that if such method existed it would not be used in a stock firmware produced by people who have time and documentation? Can you share your thoughts on this?