OnReceivedUplinkPacketLossFraction() receives [const rtc::Optional<float>&]

webrtc/modules/audio_coding/codecs/opus/audio_encoder_opus_unittest.cc

Index: webrtc/modules/audio_coding/codecs/opus/audio_encoder_opus_unittest.cc
diff --git a/webrtc/modules/audio_coding/codecs/opus/audio_encoder_opus_unittest.cc b/webrtc/modules/audio_coding/codecs/opus/audio_encoder_opus_unittest.cc
index 1d4fc2e7813c9c3b2eee1bc6596be2ace20e47f6..502275a238133ba003d8c7b2b04714ead69f5430 100644
--- a/webrtc/modules/audio_coding/codecs/opus/audio_encoder_opus_unittest.cc
+++ b/webrtc/modules/audio_coding/codecs/opus/audio_encoder_opus_unittest.cc
@@ -237,7 +237,8 @@ void TestSetPacketLossRate(AudioEncoderOpusStates* states,
   // PacketLossFractionSmoother used in AudioEncoderOpus.
   constexpr int64_t kSampleIntervalMs = 184198;
   for (float loss : losses) {
-    states->encoder->OnReceivedUplinkPacketLossFraction(loss);
+    states->encoder->OnReceivedUplinkPacketLossFraction(
+        rtc::Optional<float>(loss));
     states->simulated_clock->AdvanceTimeMilliseconds(kSampleIntervalMs);
     EXPECT_FLOAT_EQ(expected_return, states->encoder->packet_loss_rate());
   }
@@ -292,10 +293,11 @@ TEST(AudioEncoderOpusTest,
       .WillOnce(Return(config));
 
   // Since using mock audio network adaptor, any packet loss fraction is fine.
-  constexpr float kUplinkPacketLoss = 0.1f;
+  const auto kUplinkPacketLoss = rtc::Optional<float>(0.1f);
   EXPECT_CALL(**states.mock_audio_network_adaptor,
               SetUplinkPacketLossFraction(kUplinkPacketLoss));
-  states.encoder->OnReceivedUplinkPacketLossFraction(kUplinkPacketLoss);
+  states.encoder->OnReceivedUplinkPacketLossFraction(
+      rtc::Optional<float>(kUplinkPacketLoss));
 
   CheckEncoderRuntimeConfig(states.encoder.get(), config);
 }
@@ -360,8 +362,8 @@ TEST(AudioEncoderOpusTest,
 
   // The values are carefully chosen so that if no smoothing is made, the test
   // will fail.
-  constexpr float kPacketLossFraction_1 = 0.02f;
-  constexpr float kPacketLossFraction_2 = 0.198f;
+  const auto kPacketLossFraction_1 = rtc::Optional<float>(0.02f);
+  const auto kPacketLossFraction_2 = rtc::Optional<float>(0.198f);
   // |kSecondSampleTimeMs| is chosen to ease the calculation since
   // 0.9999 ^ 6931 = 0.5.
   constexpr int64_t kSecondSampleTimeMs = 6931;