Update includes for webrtc/{base => rtc_base} rename (2/3)

webrtc/rtc_tools/event_log_visualizer/plot_base.cc

 /*
  *  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 "webrtc/rtc_tools/event_log_visualizer/plot_base.h"
 
 #include <algorithm>
 
-#include "webrtc/base/checks.h"
+#include "webrtc/rtc_base/checks.h"
 
 namespace webrtc {
 namespace plotting {
 
 void Plot::SetXAxis(float min_value,
                     float max_value,
                     std::string label,
                     float left_margin,
                     float right_margin) {
   RTC_DCHECK_LE(min_value, max_value);
@@ skipping 50 matching lines @@
 }
 
 void Plot::AppendTimeSeriesIfNotEmpty(TimeSeries&& time_series) {
   if (time_series.points.size() > 0) {
     series_list_.emplace_back(std::move(time_series));
   }
 }
 
 }  // namespace plotting
 }  // namespace webrtc