Bug 835506: Fix Download Tab share image URL
Bug 835506: Fix Download Tab share image URL

Adjust to production server's CDN media URL. Facebook dialogs always need absolute URLs so to make it work in all environments, whatever the media URL is missing must be prepended.

TheJJ100100/bedrock,alexgibson/bedrock,mahinthjoe/bedrock,jacshfr/mozilla-bedrock,elin-moco/bedrock,jgmize/bedrock,sgarrity/bedrock,pmclanahan/bedrock,rishiloyola/bedrock,sgarrity/bedrock,SujaySKumar/bedrock,petabyte/bedrock,Jobava/bedrock,jpetto/bedrock,mahinthjoe/bedrock,SujaySKumar/bedrock,jacshfr/mozilla-bedrock,gauthierm/bedrock,amjadm61/bedrock,schalkneethling/bedrock,malena/bedrock,TheoChevalier/bedrock,mozilla/bedrock,mermi/bedrock,malena/bedrock,Sancus/bedrock,hoosteeno/bedrock,sylvestre/bedrock,elin-moco/bedrock,andreadelrio/bedrock,sgarrity/bedrock,dudepare/bedrock,schalkneethling/bedrock,pmclanahan/bedrock,yglazko/bedrock,sylvestre/bedrock,Jobava/bedrock,yglazko/bedrock,mkmelin/bedrock,mermi/bedrock,sgarrity/bedrock,mmmavis/lightbeam-bedrock-website,hoosteeno/bedrock,TheJJ100100/bedrock,Jobava/bedrock,SujaySKumar/bedrock,bensternthal/bedrock,andreadelrio/bedrock,ckprice/bedrock,CSCI-462-01-2017/bedrock,rishiloyola/bedrock,amjadm61/bedrock,dudepare/bedrock,petabyte/bedrock,mkmelin/bedrock,davehunt/bedrock,Sancus/bedrock,flodolo/bedrock,craigcook/bedrock,yglazko/bedrock,pascalchevrel/bedrock,l-hedgehog/bedrock,sylvestre/bedrock,glogiotatidis/bedrock,analytics-pros/mozilla-bedrock,dudepare/bedrock,mahinthjoe/bedrock,SujaySKumar/bedrock,CSCI-462-01-2017/bedrock,ckprice/bedrock,mmmavis/bedrock,pmclanahan/bedrock,bensternthal/bedrock,yglazko/bedrock,Sancus/bedrock,jgmize/bedrock,gerv/bedrock,TheoChevalier/bedrock,pmclanahan/bedrock,pascalchevrel/bedrock,ericawright/bedrock,ckprice/bedrock,craigcook/bedrock,marcoscaceres/bedrock,flodolo/bedrock,petabyte/bedrock,chirilo/bedrock,jgmize/bedrock,mermi/bedrock,davehunt/bedrock,jacshfr/mozilla-bedrock,chirilo/bedrock,rishiloyola/bedrock,mozilla/bedrock,jgmize/bedrock,jacshfr/mozilla-bedrock,chirilo/bedrock,sylvestre/bedrock,davehunt/bedrock,glogiotatidis/bedrock,flodolo/bedrock,Jobava/bedrock,ckprice/bedrock,chirilo/bedrock,gauthierm/bedrock,TheJJ100100/bedrock,rishiloyola/bedrock,analytics-pros/mozilla-bedrock,schalkneethling/bedrock,analytics-pros/mozilla-bedrock,amjadm61/bedrock,amjadm61/bedrock,gerv/bedrock,bensternthal/bedrock,craigcook/bedrock,TheoChevalier/bedrock,glogiotatidis/bedrock,glogiotatidis/bedrock,gerv/bedrock,analytics-pros/mozilla-bedrock,mkmelin/bedrock,mozilla/bedrock,kyoshino/bedrock,schalkneethling/bedrock,l-hedgehog/bedrock,kyoshino/bedrock,l-hedgehog/bedrock,elin-moco/bedrock,kyoshino/bedrock,ericawright/bedrock,hoosteeno/bedrock,petabyte/bedrock,l-hedgehog/bedrock,alexgibson/bedrock,gauthierm/bedrock,ericawright/bedrock,hoosteeno/bedrock,gauthierm/bedrock,mmmavis/lightbeam-bedrock-website,TheoChevalier/bedrock,kyoshino/bedrock,elin-moco/bedrock,davehunt/bedrock,andreadelrio/bedrock,MichaelKohler/bedrock,MichaelKohler/bedrock,ericawright/bedrock,amjadm61/bedrock,malena/bedrock,andreadelrio/bedrock,jacshfr/mozilla-bedrock,mahinthjoe/bedrock,mozilla/bedrock,jpetto/bedrock,bensternthal/bedrock,Sancus/bedrock,mmmavis/bedrock,mmmavis/bedrock,gerv/bedrock,mkmelin/bedrock,jpetto/bedrock,TheJJ100100/bedrock,CSCI-462-01-2017/bedrock,malena/bedrock,MichaelKohler/bedrock,CSCI-462-01-2017/bedrock,marcoscaceres/bedrock,marcoscaceres/bedrock,MichaelKohler/bedrock,marcoscaceres/bedrock,mmmavis/lightbeam-bedrock-website,craigcook/bedrock,alexgibson/bedrock,jpetto/bedrock,mermi/bedrock,flodolo/bedrock,mmmavis/bedrock,dudepare/bedrock,alexgibson/bedrock,pascalchevrel/bedrock,pascalchevrel/bedrock