tracing: Add private footprint

tracing/tracing/ui/analysis/memory_dump_sub_view_test_utils.html

Index: tracing/tracing/ui/analysis/memory_dump_sub_view_test_utils.html
diff --git a/tracing/tracing/ui/analysis/memory_dump_sub_view_test_utils.html b/tracing/tracing/ui/analysis/memory_dump_sub_view_test_utils.html
index aee13c9bea452fd2642c9c9c3f49244615a11035..ead290c09efeace46eb9da2a4091dc4a68b7d745 100644
--- a/tracing/tracing/ui/analysis/memory_dump_sub_view_test_utils.html
+++ b/tracing/tracing/ui/analysis/memory_dump_sub_view_test_utils.html
@@ -76,6 +76,7 @@ tr.exportTo('tr.ui.analysis', function() {
         residentBytes: 20971520, /* 20 MiB */
         peakResidentBytes: 41943040, /* 40 MiB */
         arePeakResidentBytesResettable: false,
+        privateFootprintBytes: 15728640, /* 15 MiB */
         platformSpecific: {
           private_bytes: 10485760 /* 10 MiB */
         }
@@ -193,6 +194,7 @@ tr.exportTo('tr.ui.analysis', function() {
         residentBytes: 19922944, /* 19 MiB */
         peakResidentBytes: 41943040, /* 40 MiB */
         arePeakResidentBytesResettable: false,
+        privateFootprintBytes: 15728640, /* 15 MiB */
         platformSpecific: {
           private_bytes: 8912896 /* 8.5 MiB */
         }
@@ -234,6 +236,7 @@ tr.exportTo('tr.ui.analysis', function() {
       pmd3B.totals = {
         residentBytes: 18874368, /* 18 MiB */
         peakResidentBytes: 44040192, /* 42 MiB */
+        privateFootprintBytes: 15728640, /* 16 MiB */
         arePeakResidentBytesResettable: false,
         platformSpecific: {
           private_bytes: 7340032 /* 7 MiB */