Add support for FEC-FR semantics in StreamParams.

webrtc/media/base/testutils.h

 /*
  *  Copyright (c) 2004 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 174 matching lines @@
 // Create Simulcast StreamParams with given |ssrcs| and |cname|.
 cricket::StreamParams CreateSimStreamParams(const std::string& cname,
                                             const std::vector<uint32_t>& ssrcs);
 // Create Simulcast stream with given |ssrcs| and |rtx_ssrcs|.
 // The number of |rtx_ssrcs| must match number of |ssrcs|.
 cricket::StreamParams CreateSimWithRtxStreamParams(
     const std::string& cname,
     const std::vector<uint32_t>& ssrcs,
     const std::vector<uint32_t>& rtx_ssrcs);
 
+// Create StreamParams with single primary SSRC and corresponding FlexFEC SSRC.
+cricket::StreamParams CreatePrimaryWithFecFrStreamParams(
+    const std::string& cname,
+    uint32_t primary_ssrc,
+    uint32_t flexfec_ssrc);
+
 }  // namespace cricket
 
 #endif  // WEBRTC_MEDIA_BASE_TESTUTILS_H_