Replace RingBuffer by std::deque in RtcEventLog.

webrtc/logging/rtc_event_log/rtc_event_log_helper_thread.h

 /*
  *  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.
  */
 
 #ifndef WEBRTC_LOGGING_RTC_EVENT_LOG_RTC_EVENT_LOG_HELPER_THREAD_H_
 #define WEBRTC_LOGGING_RTC_EVENT_LOG_RTC_EVENT_LOG_HELPER_THREAD_H_
 
+#include <deque>
 #include <limits>
 #include <memory>
 #include <utility>
 #include <vector>
 
 #include "webrtc/base/constructormagic.h"
 #include "webrtc/base/event.h"
 #include "webrtc/base/ignore_wundef.h"
 #include "webrtc/base/platform_thread.h"
 #include "webrtc/base/protobuf_utils.h"
@@ skipping 64 matching lines @@
   void StartLogFile();
   bool LogToFile();
   void StopLogFile();
   void ProcessEvents();
 
   // Message queues for passing events to the logging thread.
   SwapQueue<ControlMessage>* message_queue_;
   SwapQueue<std::unique_ptr<rtclog::Event>>* event_queue_;
 
   // History containing the most recent events (~ 10 s).
-  RingBuffer<std::unique_ptr<rtclog::Event>> history_;
+  std::deque<std::unique_ptr<rtclog::Event>> history_;
 
   // History containing all past configuration events.
   std::vector<std::unique_ptr<rtclog::Event>> config_history_;
 
   std::unique_ptr<FileWrapper> file_;
   rtc::PlatformThread thread_;
 
   int64_t max_size_bytes_;
   int64_t written_bytes_;
   int64_t start_time_;
@@ skipping 10 matching lines @@
   rtc::Event file_finished_;
 
   RTC_DISALLOW_IMPLICIT_CONSTRUCTORS(RtcEventLogHelperThread);
 };
 
 }  // namespace webrtc
 
 #endif  // ENABLE_RTC_EVENT_LOG
 
 #endif  // WEBRTC_LOGGING_RTC_EVENT_LOG_RTC_EVENT_LOG_HELPER_THREAD_H_