Allow mocking SendSideCongestionController for Call tests.

webrtc/modules/congestion_controller/include/mock/mock_send_side_congestion_controller.h

+/*
+ *  Copyright (c) 2017 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.
+ */
+
+#ifndef WEBRTC_MODULES_CONGESTION_CONTROLLER_INCLUDE_MOCK_MOCK_SEND_SIDE_CONGESTION_CONTROLLER_H_
+#define WEBRTC_MODULES_CONGESTION_CONTROLLER_INCLUDE_MOCK_MOCK_SEND_SIDE_CONGESTION_CONTROLLER_H_
+
+#include "webrtc/modules/congestion_controller/include/send_side_congestion_controller.h"
+#include "webrtc/test/gmock.h"
+
+namespace webrtc {
+namespace test {
+
+class MockSendSideCongestionController : public SendSideCongestionController {
+ public:
+  MockSendSideCongestionController(const Clock* clock,
+                                   RtcEventLog* event_log,
+                                   PacketRouter* packet_router)
+      : SendSideCongestionController(clock,
+                                     nullptr /* observer */,
+                                     event_log,
+                                     packet_router) {}
+
+  MOCK_METHOD3(SetBweBitrates,
+               void(int min_bitrate_bps,
+                    int start_bitrate_bps,
+                    int max_bitrate_bps));
+};
+
+}  // namespace test
+}  // namespace webrtc
+
+#endif  // WEBRTC_MODULES_CONGESTION_CONTROLLER_INCLUDE_MOCK_MOCK_SEND_SIDE_CONGESTION_CONTROLLER_H_