Replace decorationsByMarkerLayerId with map keyed by layer
Replace decorationsByMarkerLayerId with map keyed by layer

AlexxNica/atom,atom/atom,decaffeinate-examples/atom,stinsonga/atom,sotayamashita/atom,stinsonga/atom,FIT-CSE2410-A-Bombs/atom,stinsonga/atom,ardeshirj/atom,PKRoma/atom,liuderchi/atom,ardeshirj/atom,decaffeinate-examples/atom,CraZySacX/atom,decaffeinate-examples/atom,Arcanemagus/atom,brettle/atom,CraZySacX/atom,liuderchi/atom,brettle/atom,AlexxNica/atom,Arcanemagus/atom,andrewleverette/atom,andrewleverette/atom,kevinrenaers/atom,stinsonga/atom,FIT-CSE2410-A-Bombs/atom,AlexxNica/atom,t9md/atom,kevinrenaers/atom,brettle/atom,kevinrenaers/atom,t9md/atom,t9md/atom,Mokolea/atom,liuderchi/atom,ardeshirj/atom,FIT-CSE2410-A-Bombs/atom,andrewleverette/atom,PKRoma/atom,liuderchi/atom,Arcanemagus/atom,Mokolea/atom,atom/atom,sotayamashita/atom,atom/atom,Mokolea/atom,PKRoma/atom,sotayamashita/atom,CraZySacX/atom,decaffeinate-examples/atom