Index: components/metrics/file_metrics_provider.h |
diff --git a/components/metrics/file_metrics_provider.h b/components/metrics/file_metrics_provider.h |
index a19577b1317a8f856bdc5720747aa5b7ec8096ab..6573475b4d178c3a6b2f70696e2f1ee3573198c8 100644 |
--- a/components/metrics/file_metrics_provider.h |
+++ b/components/metrics/file_metrics_provider.h |
@@ -57,7 +57,9 @@ class FileMetricsProvider : public MetricsProvider, |
// the ImportantFileWriter) will not get read. Files that have been |
// read will be attempted to be deleted; should those files not be |
// deletable by this process, it is the reponsibility of the producer |
- // to keep the directory pruned in some manner. |
+ // to keep the directory pruned in some manner. Added files must have a |
+ // timestamp later (not the same or earlier) than the newest file that |
+ // already exists or it may be assumed to have been already uploaded. |
SOURCE_HISTOGRAMS_ATOMIC_DIR, |
// "Active" files may be open by one or more other processes and updated |