Just noticed this during size alert triage:

~ 0)       2104 (7.9%)  o@0x0        2104 (0->0)        {no path}
               Overhead: APK file
~ 1)       4096 (15.4%) o@0x0        1992 (1951244->1953236) MonochromePublic.apk/other/assets/unwind_cfi_32
               unwind_cfi_32
+ 2)       4956 (18.7%) t@0x270d944  860 (0->860)       components/ntp_snippets/contextual/contextual_suggestions_fetch.cc
               contextual_suggestions::ContextualSuggestionsFetch::OnURLLoaderComplete
~ 3)       4190 (15.8%) o@0x0        -766 (0->0)        {no path}
               Overhead: ELF file
+ 4)       4554 (17.2%) t@0x272205c  364 (0->364)       $root_gen_dir/components/ntp_snippets/contextual/proto/get_pivots_request.pb.cc
               contextual_suggestions::PivotDocumentParams::MergePartialFromCodedStream
+ 5)       4866 (18.3%) t@0x270dca0  312 (0->312)       components/ntp_snippets/contextual/contextual_suggestions_fetch.cc
               contextual_suggestions::ContextualSuggestionsFetch::MakeHeaders const
+ 6)       5146 (19.4%) t@0x2723fc0  280 (0->280)       $root_gen_dir/components/ntp_snippets/contextual/proto/get_pivots_response.pb.cc
               contextual_suggestions::AutoPeekConditions::MergePartialFromCodedStream
+ 7)       5416 (20.4%) t@0x2723764  270 (0->268)       $root_gen_dir/components/ntp_snippets/contextual/proto/get_pivots_response.pb.cc
               contextual_suggestions::PivotDocument::MergePartialFromCodedStream
+ 8)       5680 (21.4%) t@0x2722350  264 (0->264)       $root_gen_dir/components/ntp_snippets/contextual/proto/get_pivots_request.pb.cc
               contextual_suggestions::PivotClusteringParams::MergePartialFromCodedStream
+ 9)       5934 (22.3%) t@0x2721bf0  254 (0->252)       $root_gen_dir/components/ntp_snippets/contextual/proto/get_pivots_request.pb.cc
               contextual_suggestions::GetPivotsQuery::MergePartialFromCodedStream
+ 10)      6170 (23.2%) t@0x2723bfc  236 (0->236)       $root_gen_dir/components/ntp_snippets/contextual/proto/get_pivots_response.pb.cc
               contextual_suggestions::PivotCluster::MergePartialFromCodedStream

Pretty sure we used to omit this part of the path? Or was this changed on purpose?