- Document params of `Application.make_handler()`. (#1132)
- Document params of `Application.make_handler()`. (#1132)

- Dropped hidden parameters, and the code example for
     `secure_proxy_ssl_header` according to code review notes.
singulared/aiohttp,z2v/aiohttp,KeepSafe/aiohttp,arthurdarcet/aiohttp,panda73111/aiohttp,juliatem/aiohttp,jettify/aiohttp,rutsky/aiohttp,AraHaanOrg/aiohttp,moden-py/aiohttp,esaezgil/aiohttp,jettify/aiohttp,rutsky/aiohttp,arthurdarcet/aiohttp,moden-py/aiohttp,panda73111/aiohttp,hellysmile/aiohttp,AraHaanOrg/aiohttp,arthurdarcet/aiohttp,esaezgil/aiohttp,KeepSafe/aiohttp,jettify/aiohttp,playpauseandstop/aiohttp,KeepSafe/aiohttp,singulared/aiohttp,alex-eri/aiohttp-1,singulared/aiohttp,pfreixes/aiohttp,esaezgil/aiohttp,Eyepea/aiohttp,z2v/aiohttp,alex-eri/aiohttp-1,hellysmile/aiohttp,rutsky/aiohttp,moden-py/aiohttp,z2v/aiohttp,alex-eri/aiohttp-1,panda73111/aiohttp,juliatem/aiohttp,pfreixes/aiohttp