Simplify SetFecParameters signature.

webrtc/modules/video_coding/protection_bitrate_calculator_unittest.cc

Index: webrtc/modules/video_coding/protection_bitrate_calculator_unittest.cc
diff --git a/webrtc/modules/video_coding/protection_bitrate_calculator_unittest.cc b/webrtc/modules/video_coding/protection_bitrate_calculator_unittest.cc
index 718929cafd794c7b336a559857a3858620c34be3..9c7c10b7a69e0e7cc8b7bdce60c6796b677eab86 100644
--- a/webrtc/modules/video_coding/protection_bitrate_calculator_unittest.cc
+++ b/webrtc/modules/video_coding/protection_bitrate_calculator_unittest.cc
@@ -24,15 +24,14 @@ class ProtectionBitrateCalculatorTest : public ::testing::Test {
 
   class ProtectionCallback : public VCMProtectionCallback {
    public:
-    int ProtectionRequest(const FecProtectionParams* delta_params,
-                          const FecProtectionParams* key_params,
-                          uint32_t* sent_video_rate_bps,
-                          uint32_t* sent_nack_rate_bps,
-                          uint32_t* sent_fec_rate_bps) override {
+    void ProtectionRequest(const FecProtectionParams& delta_params,
+                           const FecProtectionParams& key_params,
+                           uint32_t* sent_video_rate_bps,
+                           uint32_t* sent_nack_rate_bps,
+                           uint32_t* sent_fec_rate_bps) override {
       *sent_video_rate_bps = kCodecBitrateBps;
       *sent_nack_rate_bps = nack_rate_bps_;
       *sent_fec_rate_bps = fec_rate_bps_;
-      return 0;
     }
 
     uint32_t fec_rate_bps_ = 0;