Fix repositioning of thumb when video closed and size changes.
Fix repositioning of thumb when video closed and size changes.

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