diff --git a/webrtc/common_types.h b/webrtc/common_types.h
index 68f2baa41b..2d93102dc5 100644
--- a/webrtc/common_types.h
+++ b/webrtc/common_types.h
@@ -720,17 +720,17 @@ struct OverUseDetectorOptions {
 // This structure will have the information about when packet is actually
 // received by socket.
 struct PacketTime {
-  PacketTime() : timestamp(-1), max_error_us(-1) {}
-  PacketTime(int64_t timestamp, int64_t max_error_us)
-      : timestamp(timestamp), max_error_us(max_error_us) {
+  PacketTime() : timestamp(-1), not_before(-1) {}
+  PacketTime(int64_t timestamp, int64_t not_before)
+      : timestamp(timestamp), not_before(not_before) {
   }
 
-  int64_t timestamp;    // Receive time after socket delivers the data.
-  int64_t max_error_us; // Earliest possible time the data could have arrived,
-                        // indicating the potential error in the |timestamp|
-                        // value,in case the system is busy.
-                        // For example, the time of the last select() call.
-                        // If unknown, this value will be set to zero.
+  int64_t timestamp;   // Receive time after socket delivers the data.
+  int64_t not_before;  // Earliest possible time the data could have arrived,
+                       // indicating the potential error in the |timestamp|
+                       // value,in case the system is busy.
+                       // For example, the time of the last select() call.
+                       // If unknown, this value will be set to zero.
 };
 
 struct RTPHeaderExtension {