Removing `preference` field from `cricket::Codec`.

webrtc/pc/channelmanager_unittest.cc

Index: webrtc/pc/channelmanager_unittest.cc
diff --git a/webrtc/pc/channelmanager_unittest.cc b/webrtc/pc/channelmanager_unittest.cc
index 1eb09198d9f7f43f88baa980f673dd866663cad6..8cb066b25df3eb61db5c6b3cf03745863017e7d1 100644
--- a/webrtc/pc/channelmanager_unittest.cc
+++ b/webrtc/pc/channelmanager_unittest.cc
@@ -22,14 +22,12 @@
 namespace cricket {
 
 static const AudioCodec kAudioCodecs[] = {
-  AudioCodec(97, "voice", 1, 2, 3, 0),
-  AudioCodec(111, "OPUS", 48000, 32000, 2, 0),
+    AudioCodec(97, "voice", 1, 2, 3), AudioCodec(111, "OPUS", 48000, 32000, 2),
 };
 
 static const VideoCodec kVideoCodecs[] = {
-  VideoCodec(99, "H264", 100, 200, 300, 0),
-  VideoCodec(100, "VP8", 100, 200, 300, 0),
-  VideoCodec(96, "rtx", 100, 200, 300, 0),
+    VideoCodec(99, "H264", 100, 200, 300),
+    VideoCodec(100, "VP8", 100, 200, 300), VideoCodec(96, "rtx", 100, 200, 300),
 };
 
 class ChannelManagerTest : public testing::Test {
@@ -198,7 +196,7 @@ TEST_F(ChannelManagerTest, GetSetOutputVolume) {
 
 TEST_F(ChannelManagerTest, SetVideoRtxEnabled) {
   std::vector<VideoCodec> codecs;
-  const VideoCodec rtx_codec(96, "rtx", 0, 0, 0, 0);
+  const VideoCodec rtx_codec(96, "rtx", 0, 0, 0);
 
   // By default RTX is disabled.
   cm_->GetSupportedVideoCodecs(&codecs);