diff --git a/protos/third_party/chromium/chrome_track_event.proto b/protos/third_party/chromium/chrome_track_event.proto
index 7cf29f6..6d92cb6 100644
--- a/protos/third_party/chromium/chrome_track_event.proto
+++ b/protos/third_party/chromium/chrome_track_event.proto
@@ -2020,6 +2020,15 @@
 
   // Timestamp in microseconds of the start of the task containing this slice.
   optional uint64 task_start_time_us = 2;
+
+  // t1 - t0, where t1 is the start timestamp of this slice and t0 is the
+  // timestamp of the time when the task containing this slice
+  // was queued.
+  optional uint64 task_queueing_time_us = 3;
+
+  // Timestamp in microseconds of the time when the task containing
+  // this slice was queued.
+  optional uint64 task_queued_time_us = 4;
 }
 
 message ChromeLatencyInfo2 {