[fix] fix crash due to rtp extension

src/qos/bwe_defines.cc

@@ -0,0 +1,24 @@
+/*
+ *  Copyright (c) 2016 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.
+ */
+
+#include "bwe_defines.h"
+
+namespace webrtc {
+
+const char kBweTypeHistogram[] = "WebRTC.BWE.Types";
+
+RateControlInput::RateControlInput(
+    BandwidthUsage bw_state,
+    const std::optional<DataRate>& estimated_throughput)
+    : bw_state(bw_state), estimated_throughput(estimated_throughput) {}
+
+RateControlInput::~RateControlInput() = default;
+
+}  // namespace webrtc