Revert of Reland "Add first part of the network_tester functionality"

webrtc/tools/network_tester/packet_sender.h

Index: webrtc/tools/network_tester/packet_sender.h
diff --git a/webrtc/tools/network_tester/packet_sender.h b/webrtc/tools/network_tester/packet_sender.h
deleted file mode 100644
index bec9911f6f21eae5bf2185e40850fe760b42cf37..0000000000000000000000000000000000000000
--- a/webrtc/tools/network_tester/packet_sender.h
+++ /dev/null
@@ -1,64 +0,0 @@
-/*
- *  Copyright 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_TOOLS_NETWORK_TESTER_PACKET_SENDER_H_
-#define WEBRTC_TOOLS_NETWORK_TESTER_PACKET_SENDER_H_
-
-#include <memory>
-#include <string>
-
-#include "webrtc/base/ignore_wundef.h"
-#include "webrtc/base/sequenced_task_checker.h"
-#include "webrtc/base/task_queue.h"
-
-#ifdef WEBRTC_NETWORK_TESTER_PROTO
-RTC_PUSH_IGNORING_WUNDEF()
-#include "webrtc/tools/network_tester/network_tester_packet.pb.h"
-RTC_POP_IGNORING_WUNDEF()
-using webrtc::network_tester::packet::NetworkTesterPacket;
-#else
-class NetworkTesterPacket;
-#endif  // WEBRTC_NETWORK_TESTER_PROTO
-
-namespace webrtc {
-
-class TestController;
-
-class PacketSender {
- public:
-  PacketSender(TestController* test_controller,
-               const std::string& config_file_path);
-  ~PacketSender();
-
-  void StartSending();
-  void StopSending();
-  bool IsSending() const;
-
-  void SendPacket();
-
-  int64_t GetSendIntervalMs() const;
-  void UpdateTestSetting(size_t packet_size, int64_t send_interval_ms);
-
- private:
-  rtc::SequencedTaskChecker worker_queue_checker_;
-  size_t packet_size_ ACCESS_ON(worker_queue_checker_);
-  int64_t send_interval_ms_ ACCESS_ON(worker_queue_checker_);
-  int64_t sequence_number_ ACCESS_ON(worker_queue_checker_);
-  bool sending_ ACCESS_ON(worker_queue_checker_);
-  const std::string config_file_path_;
-  TestController* const test_controller_;
-  rtc::TaskQueue worker_queue_;
-
-  RTC_DISALLOW_COPY_AND_ASSIGN(PacketSender);
-};
-
-}  // namespace webrtc
-
-#endif  // WEBRTC_TOOLS_NETWORK_TESTER_PACKET_SENDER_H_