Provide visual feedback from focusInput if there is no visible input.
Provide visual feedback from focusInput if there is no visible input.

If focusInput does not find a visible input, then pop up the HUD to tell
the user.  Without this, the user gets no feedback as to what happened.

douglas-larocca/vimium,PickRelated/vimium,wildeyes/vimium,dimatter/vimium,elegantwww/vimium,hhsue/vimium,tuchangwei/vimium,philc/vimium,PrestanceDesign/vimium,bkudria/vimium,gdh1995/vimium,csmalin/vimium,mrmr1993/vimium,gdh1995/vimium,bkudria/vimium,csmalin/vimium,smblott-github/vimium,borgified/vimium,hhsue/vimium,tuchangwei/vimium,VPashkov/vimium,Lw-Cui/vimium,zhangmin510/vimium,Robinson10240/vimium,tuchangwei/vimium,justalittlenoob/vimium,justalittlenoob/vimium,decaffeinate-examples/vimium,zhangmin510/vimium,PickRelated/vimium,dimatter/vimium,elderbas/vimium,borgified/vimium,decaffeinate-examples/vimium,mrmr1993/vimium,smblott-github/vimium,elegantwww/vimium,Robinson10240/vimium,borgified/vimium,csmalin/vimium,hhsue/vimium,cyrixhero/vimium,philc/vimium,gdh1995/vimium,philc/vimium,Aleroniponi/vimium,justalittlenoob/vimium,cyrixhero/vimium,Aleroniponi/vimium,douglas-larocca/vimium,bkudria/vimium,cyrixhero/vimium,PrestanceDesign/vimium,Lw-Cui/vimium,VPashkov/vimium,Robinson10240/vimium,wildeyes/vimium,VPashkov/vimium,poacher2k/vimium,poacher2k/vimium,Aleroniponi/vimium,willsALMANJ/vimium,PickRelated/vimium,douglas-larocca/vimium,smblott-github/vimium,zhangmin510/vimium,elegantwww/vimium,decaffeinate-examples/vimium,elderbas/vimium,dimatter/vimium,poacher2k/vimium,elderbas/vimium,Lw-Cui/vimium,wildeyes/vimium,mrmr1993/vimium,willsALMANJ/vimium,willsALMANJ/vimium,PrestanceDesign/vimium