diff --git a/webrtc/pc/channelmanager_unittest.cc b/webrtc/pc/channelmanager_unittest.cc
index 34b347b..174d064 100644
--- a/webrtc/pc/channelmanager_unittest.cc
+++ b/webrtc/pc/channelmanager_unittest.cc
@@ -173,17 +173,17 @@
   const VideoCodec rtx_codec(96, "rtx");
 
   // By default RTX is disabled.
-  codecs = cm_->GetSupportedVideoCodecs();
+  cm_->GetSupportedVideoCodecs(&codecs);
   EXPECT_FALSE(ContainsMatchingCodec(codecs, rtx_codec));
 
   // Enable and check.
   EXPECT_TRUE(cm_->SetVideoRtxEnabled(true));
-  codecs = cm_->GetSupportedVideoCodecs();
+  cm_->GetSupportedVideoCodecs(&codecs);
   EXPECT_TRUE(ContainsMatchingCodec(codecs, rtx_codec));
 
   // Disable and check.
   EXPECT_TRUE(cm_->SetVideoRtxEnabled(false));
-  codecs = cm_->GetSupportedVideoCodecs();
+  cm_->GetSupportedVideoCodecs(&codecs);
   EXPECT_FALSE(ContainsMatchingCodec(codecs, rtx_codec));
 
   // Cannot toggle rtx after initialization.
@@ -194,7 +194,7 @@
   // Can set again after terminate.
   cm_->Terminate();
   EXPECT_TRUE(cm_->SetVideoRtxEnabled(true));
-  codecs = cm_->GetSupportedVideoCodecs();
+  cm_->GetSupportedVideoCodecs(&codecs);
   EXPECT_TRUE(ContainsMatchingCodec(codecs, rtx_codec));
 }