Load stylesheet via XHR to fix styles in UIComponent Shadow DOM
Load stylesheet via XHR to fix styles in UIComponent Shadow DOM

Shadow DOM doesn't support <link>s, so we have to load the stylesheet
manually and inject it into a <style> element.

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