Add new codec for FlexFEC.

webrtc/media/base/codec_unittest.cc

Index: webrtc/media/base/codec_unittest.cc
diff --git a/webrtc/media/base/codec_unittest.cc b/webrtc/media/base/codec_unittest.cc
index dcd9cf2e4b7d116cae3eef6eb0c5ce7e5b3fefae..8dd2e44f0048571576efc0a7e7831d586aa365fd 100644
--- a/webrtc/media/base/codec_unittest.cc
+++ b/webrtc/media/base/codec_unittest.cc
@@ -239,10 +239,12 @@ TEST(CodecTest, TestGetCodecType) {
   const VideoCodec codec(96, "V");
   const VideoCodec rtx_codec(96, "rTx");
   const VideoCodec ulpfec_codec(96, "ulpFeC");
+  const VideoCodec flexfec_codec(96, "FlExFeC-03");
   const VideoCodec red_codec(96, "ReD");
   EXPECT_EQ(VideoCodec::CODEC_VIDEO, codec.GetCodecType());
   EXPECT_EQ(VideoCodec::CODEC_RTX, rtx_codec.GetCodecType());
   EXPECT_EQ(VideoCodec::CODEC_ULPFEC, ulpfec_codec.GetCodecType());
+  EXPECT_EQ(VideoCodec::CODEC_FLEXFEC, flexfec_codec.GetCodecType());
   EXPECT_EQ(VideoCodec::CODEC_RED, red_codec.GetCodecType());
 }