Default [Q] possible to port the 4.3 browser to 4.4.2 ?

After upgrading my HTC One from 3.4 to 4.4.2 I am missing flash support in the HTC browser. I know the workaround using Dolphin of FF, but I prefer the HTC browser.
My question is: Do you think it is possible to extract the 4.3 browser´s apk (and obex file?) and to install it on an HTC One running 4.4.2.
Is there a chance to get flash support back this way?
Thanks for your opinion,
Randolph