| "arg_set_id","flat_key","key","int_value","string_value" |
| 1,"chrome_user_event.action","chrome_user_event.action","[NULL]","NewTab" |
| 2,"chrome_legacy_ipc.message_class","chrome_legacy_ipc.message_class","[NULL]","CLASS_AUTOMATION" |
| 2,"chrome_legacy_ipc.message_line","chrome_legacy_ipc.message_line",10,"[NULL]" |
| 3,"chrome_keyed_service.name","chrome_keyed_service.name","[NULL]","MediaRouter" |
| 4,"chrome_latency_info.component_info.component_type","chrome_latency_info.component_info[0].component_type","[NULL]","COMPONENT_INPUT_EVENT_LATENCY_FIRST_SCROLL_UPDATE_ORIGINAL" |
| 4,"chrome_latency_info.component_info.time_us","chrome_latency_info.component_info[0].time_us",1201,"[NULL]" |
| 4,"chrome_latency_info.component_info.time_us","chrome_latency_info.component_info[1].time_us",928310,"[NULL]" |
| 4,"chrome_latency_info.is_coalesced","chrome_latency_info.is_coalesced",1,"[NULL]" |
| 4,"chrome_latency_info.trace_id","chrome_latency_info.trace_id",7,"[NULL]" |
