Incremental refactor for host cache.
Incremental refactor for host cache.

trungdtbk/faucet,mwutzke/faucet,wackerly/faucet,trungdtbk/faucet,REANNZ/faucet,gizmoguy/faucet,faucetsdn/faucet,faucetsdn/faucet,shivarammysore/faucet,trentindav/faucet,byllyfish/faucet,mwutzke/faucet,shivarammysore/faucet,gizmoguy/faucet,byllyfish/faucet,trentindav/faucet,REANNZ/faucet,wackerly/faucet,anarkiwi/faucet,anarkiwi/faucet