Wire up PacketTime to ReceiveStreams.

webrtc/video/rampup_tests.cc

Index: webrtc/video/rampup_tests.cc
diff --git a/webrtc/video/rampup_tests.cc b/webrtc/video/rampup_tests.cc
index 92b55bfdf71e2cd6fb246adab9dbd9be8e566211..fb533cb89039b84b04cd3be387b94616e1d2a8d5 100644
--- a/webrtc/video/rampup_tests.cc
+++ b/webrtc/video/rampup_tests.cc
@@ -265,7 +265,10 @@ bool LowRateStreamObserver::SendRtp(const uint8_t* data, size_t length) {
 }
 
 PacketReceiver::DeliveryStatus LowRateStreamObserver::DeliverPacket(
-    MediaType media_type, const uint8_t* packet, size_t length) {
+    MediaType media_type,
+    const uint8_t* packet,
+    size_t length,
+    const PacketTime& packet_time) {
   rtc::CritScope lock(&crit_);
   RTPHeader header;
   EXPECT_TRUE(rtp_parser_->Parse(packet, length, &header));