Use (headless) chrome addon on Travis (#13396)
Use (headless) chrome addon on Travis (#13396)


engtat/amphtml,danielrozenberg/amphtml,techhtml/amphtml,zhouyx/amphtml,media-net/amphtml,rsimha-amp/amphtml,ampproject/amphtml,smartadserver/amphtml,powdercloud/amphtml,dotandads/amphtml,yieldmo/amphtml,yandex-pcode/amphtml,danielrozenberg/amphtml,BenDz/amphtml,sriramkrish85/amphtml,koshka/amphtml,sebastianbenz/amphtml,koshka/amphtml,camelburrito/amphtml,zhouyx/amphtml,nexxtv/amphtml,alanorozco/amphtml,ampproject/amphtml,nexxtv/amphtml,engtat/amphtml,alanorozco/amphtml,jmadler/amphtml,tlong2/amphtml,bpaduch/amphtml,yieldbot/amphtml,chaveznvg/amphtml,laterpay/amphtml,cory-work/amphtml,Gregable/amphtml,camelburrito/amphtml,luciancrasovan/amphtml,danielrozenberg/amphtml,donttrustthisbot/amphtml,cvializ/amphtml,prateekbh/amphtml,techhtml/amphtml,powdercloud/amphtml,luciancrasovan/amphtml,engtat/amphtml,luciancrasovan/amphtml,erwinmombay/amphtml,danielrozenberg/amphtml,jpettitt/amphtml,tlong2/amphtml,sharethrough/amphtml,widespace-os/amphtml,ampproject/amphtml,jmadler/amphtml,adup-tech/amphtml,yieldmo/amphtml,jridgewell/amphtml,mhc-gh/amphtml,donttrustthisbot/amphtml,voyagegroup/amphtml,rsimha-amp/amphtml,aghassemi/amphtml,erwinmombay/amphtml,yieldbot/amphtml,powdercloud/amphtml,engtat/amphtml,smartadserver/amphtml,media-net/amphtml,yieldmo/amphtml,yandex-pcode/amphtml,voyagegroup/amphtml,powdercloud/amphtml,voyagegroup/amphtml,donttrustthisbot/amphtml,powdercloud/amphtml,dotandads/amphtml,taboola/amphtml,jmadler/amphtml,honeybadgerdontcare/amphtml,sriramkrish85/amphtml,media-net/amphtml,koshka/amphtml,techhtml/amphtml,taboola/amphtml,honeybadgerdontcare/amphtml,engtat/amphtml,aghassemi/amphtml,yieldbot/amphtml,chaveznvg/amphtml,pedjoni8/amphtml,camelburrito/amphtml,cvializ/amphtml,Gregable/amphtml,danielrozenberg/amphtml,donttrustthisbot/amphtml,lannka/amphtml,clawr/amphtml,camelburrito/amphtml,jpettitt/amphtml,chaveznvg/amphtml,pedjoni8/amphtml,kamtschatka/amphtml,alanorozco/amphtml,yieldmo/amphtml,cory-work/amphtml,chaveznvg/amphtml,Gregable/amphtml,voyagegroup/amphtml,erwinmombay/amphtml,luciancrasovan/amphtml,jpettitt/amphtml,yieldbot/amphtml,rsimha-amp/amphtml,BenDz/amphtml,laterpay/amphtml,bpaduch/amphtml,zhouyx/amphtml,bpaduch/amphtml,mhc-gh/amphtml,clawr/amphtml,voyagegroup/amphtml,src-code/amphtml,luciancrasovan/amphtml,jmadler/amphtml,jpettitt/amphtml,nexxtv/amphtml,camelburrito/amphtml,sriramkrish85/amphtml,sharethrough/amphtml,laterpay/amphtml,smartadserver/amphtml,powdercloud/amphtml,smartadserver/amphtml,Gregable/amphtml,bpaduch/amphtml,jridgewell/amphtml,jpettitt/amphtml,mhc-gh/amphtml,sebastianbenz/amphtml,techhtml/amphtml,engtat/amphtml,adup-tech/amphtml,ampproject/amphtml,src-code/amphtml,kamtschatka/amphtml,BenDz/amphtml,prateekbh/amphtml,nexxtv/amphtml,mhc-gh/amphtml,dotandads/amphtml,yieldmo/amphtml,sebastianbenz/amphtml,powdercloud/amphtml,rsimha-amp/amphtml,bpaduch/amphtml,lannka/amphtml,zhangsu/amphtml,camelburrito/amphtml,tlong2/amphtml,kamtschatka/amphtml,src-code/amphtml,alanorozco/amphtml,tlong2/amphtml,zhangsu/amphtml,bpaduch/amphtml,honeybadgerdontcare/amphtml,jmadler/amphtml,yandex-pcode/amphtml,jmadler/amphtml,widespace-os/amphtml,techhtml/amphtml,cvializ/amphtml,cory-work/amphtml,BenDz/amphtml,yandex-pcode/amphtml,sharethrough/amphtml,honeybadgerdontcare/amphtml,jpettitt/amphtml,adup-tech/amphtml,aghassemi/amphtml,ampproject/amphtml,sriramkrish85/amphtml,smartadserver/amphtml,danielrozenberg/amphtml,taboola/amphtml,jpettitt/amphtml,Gregable/amphtml,mhc-gh/amphtml,alanorozco/amphtml,laterpay/amphtml,laterpay/amphtml,erwinmombay/amphtml,adup-tech/amphtml,chaveznvg/amphtml,Gregable/amphtml,laterpay/amphtml,dotandads/amphtml,src-code/amphtml,alanorozco/amphtml,clawr/amphtml,sharethrough/amphtml,donttrustthisbot/amphtml,jridgewell/amphtml,luciancrasovan/amphtml,BenDz/amphtml,sebastianbenz/amphtml,mhc-gh/amphtml,aghassemi/amphtml,yieldmo/amphtml,rsimha-amp/amphtml,jridgewell/amphtml,koshka/amphtml,yandex-pcode/amphtml,alanorozco/amphtml,rsimha-amp/amphtml,src-code/amphtml,lannka/amphtml,chaveznvg/amphtml,taboola/amphtml,tlong2/amphtml,prateekbh/amphtml,prateekbh/amphtml,Gregable/amphtml,zhouyx/amphtml,sebastianbenz/amphtml,yieldbot/amphtml,clawr/amphtml,lannka/amphtml,kamtschatka/amphtml,dotandads/amphtml,donttrustthisbot/amphtml,zhangsu/amphtml,prateekbh/amphtml,donttrustthisbot/amphtml,widespace-os/amphtml,adup-tech/amphtml,lannka/amphtml,nexxtv/amphtml,kamtschatka/amphtml,engtat/amphtml,mhc-gh/amphtml,taboola/amphtml,clawr/amphtml,jridgewell/amphtml,voyagegroup/amphtml,cory-work/amphtml,adup-tech/amphtml,yieldmo/amphtml,lannka/amphtml,nexxtv/amphtml,kamtschatka/amphtml,erwinmombay/amphtml,danielrozenberg/amphtml,zhangsu/amphtml,pedjoni8/amphtml,pedjoni8/amphtml,smartadserver/amphtml,BenDz/amphtml,cory-work/amphtml,cory-work/amphtml,danielrozenberg/amphtml,zhouyx/amphtml,voyagegroup/amphtml,lannka/amphtml,aghassemi/amphtml,cvializ/amphtml,honeybadgerdontcare/amphtml,zhangsu/amphtml,alanorozco/amphtml,zhouyx/amphtml,yandex-pcode/amphtml,media-net/amphtml,koshka/amphtml,luciancrasovan/amphtml,koshka/amphtml,prateekbh/amphtml,aghassemi/amphtml,dotandads/amphtml,media-net/amphtml,taboola/amphtml,nexxtv/amphtml,honeybadgerdontcare/amphtml,zhouyx/amphtml,pedjoni8/amphtml,cvializ/amphtml,clawr/amphtml,sharethrough/amphtml,jridgewell/amphtml,src-code/amphtml,Gregable/amphtml,ampproject/amphtml,erwinmombay/amphtml,media-net/amphtml,media-net/amphtml,sebastianbenz/amphtml,camelburrito/amphtml,ampproject/amphtml,pedjoni8/amphtml,zhangsu/amphtml,bpaduch/amphtml,widespace-os/amphtml,ampproject/amphtml,rsimha-amp/amphtml,cvializ/amphtml,sharethrough/amphtml,tlong2/amphtml,clawr/amphtml,yieldbot/amphtml,sriramkrish85/amphtml,jpettitt/amphtml,taboola/amphtml,mhc-gh/amphtml,widespace-os/amphtml,jridgewell/amphtml,cory-work/amphtml,widespace-os/amphtml,sriramkrish85/amphtml,honeybadgerdontcare/amphtml,media-net/amphtml,prateekbh/amphtml,yandex-pcode/amphtml,techhtml/amphtml