100644 blob a2c91ea6b9af591540cf78bea3b6124f379cf068	BUILD.gn
100644 blob 1b89b2d6c232e22be66d3910f213fe8ef00e700f	metric_event_builder.cc
100644 blob f4327084d3c407cdcde63e24ad4af58806fde37e	metric_event_builder.h
100644 blob 7566f66512aba05068be7862665a3da8642681cf	metric_event_builder_unittest.cc