Revert of Delete class MockCongestionController.

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

Index: webrtc/modules/congestion_controller/include/mock/mock_congestion_controller.h
diff --git a/webrtc/modules/congestion_controller/include/mock/mock_congestion_controller.h b/webrtc/modules/congestion_controller/include/mock/mock_congestion_controller.h
new file mode 100644
index 0000000000000000000000000000000000000000..aefb2be7dcefa7c5ae25cbc7a6b8dac8c8b85c79
--- /dev/null
+++ b/webrtc/modules/congestion_controller/include/mock/mock_congestion_controller.h
@@ -0,0 +1,73 @@
+/*
+ *  Copyright (c) 2015 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_CONGESTION_CONTROLLER_H_
+#define WEBRTC_MODULES_CONGESTION_CONTROLLER_INCLUDE_MOCK_MOCK_CONGESTION_CONTROLLER_H_
+
+#include "webrtc/base/constructormagic.h"
+#include "webrtc/base/socket.h"
+#include "webrtc/common_types.h"
+#include "webrtc/modules/congestion_controller/include/congestion_controller.h"
+#include "webrtc/test/gmock.h"
+
+namespace webrtc {
+namespace test {
+
+class MockCongestionObserver : public CongestionController::Observer {
+ public:
+  // TODO(minyue): remove this when old OnNetworkChanged is deprecated. See
+  // https://bugs.chromium.org/p/webrtc/issues/detail?id=6796
+  using CongestionController::Observer::OnNetworkChanged;
+
+  MOCK_METHOD4(OnNetworkChanged,
+               void(uint32_t bitrate_bps,
+                    uint8_t fraction_loss,
+                    int64_t rtt_ms,
+                    int64_t probing_interval_ms));
+};
+
+class MockCongestionController : public CongestionController {
+ public:
+  MockCongestionController(Clock* clock,
+                           Observer* observer,
+                           RemoteBitrateObserver* remote_bitrate_observer,
+                           RtcEventLog* event_log,
+                           PacketRouter* packet_router)
+      : CongestionController(clock,
+                             observer,
+                             remote_bitrate_observer,
+                             event_log,
+                             packet_router) {}
+  MOCK_METHOD3(OnReceivedPacket,
+               void(int64_t arrival_time_ms,
+                    size_t payload_size,
+                    const RTPHeader& header));
+  MOCK_METHOD3(SetBweBitrates,
+               void(int min_bitrate_bps,
+                    int start_bitrate_bps,
+                    int max_bitrate_bps));
+  MOCK_METHOD1(SignalNetworkState, void(NetworkState state));
+  MOCK_CONST_METHOD0(GetBitrateController, BitrateController*());
+  MOCK_METHOD1(GetRemoteBitrateEstimator,
+                     RemoteBitrateEstimator*(bool send_side_bwe));
+  MOCK_CONST_METHOD0(GetPacerQueuingDelayMs, int64_t());
+  MOCK_METHOD0(pacer, PacedSender*());
+  MOCK_METHOD0(GetTransportFeedbackObserver, TransportFeedbackObserver*());
+  MOCK_METHOD3(UpdatePacerBitrate,
+               void(int bitrate_kbps,
+                    int max_bitrate_kbps,
+                    int min_bitrate_kbps));
+  MOCK_METHOD1(OnSentPacket, void(const rtc::SentPacket& sent_packet));
+
+  RTC_DISALLOW_IMPLICIT_CONSTRUCTORS(MockCongestionController);
+};
+}  // namespace test
+}  // namespace webrtc
+#endif  // WEBRTC_MODULES_CONGESTION_CONTROLLER_INCLUDE_MOCK_MOCK_CONGESTION_CONTROLLER_H_