Minor rtc_event_log_impl cleanup.

Removed unused variables.

Bug: webrtc:10756
Change-Id: I7ce8fc3fc5a3c269b4ee74d77425c3e240d91525
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/143161
Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org>
Reviewed-by: Björn Terelius <terelius@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#28334}
diff --git a/logging/rtc_event_log/rtc_event_log_impl.cc b/logging/rtc_event_log/rtc_event_log_impl.cc
index 7881190..9c71ff7 100644
--- a/logging/rtc_event_log/rtc_event_log_impl.cc
+++ b/logging/rtc_event_log/rtc_event_log_impl.cc
@@ -76,9 +76,7 @@
 
 RtcEventLogImpl::RtcEventLogImpl(RtcEventLog::EncodingType encoding_type,
                                  TaskQueueFactory* task_queue_factory)
-    : max_size_bytes_(std::numeric_limits<decltype(max_size_bytes_)>::max()),
-      written_bytes_(0),
-      event_encoder_(CreateEncoder(encoding_type)),
+    : event_encoder_(CreateEncoder(encoding_type)),
       num_config_events_written_(0),
       last_output_ms_(rtc::TimeMillis()),
       output_scheduled_(false),
@@ -278,8 +276,6 @@
 }
 
 void RtcEventLogImpl::StopOutput() {
-  max_size_bytes_ = std::numeric_limits<decltype(max_size_bytes_)>::max();
-  written_bytes_ = 0;
   event_output_.reset();
 }
 
@@ -301,7 +297,6 @@
     StopOutput();  // Clean-up.
     return;
   }
-  written_bytes_ += output_string.size();
 }
 
 }  // namespace webrtc
diff --git a/logging/rtc_event_log/rtc_event_log_impl.h b/logging/rtc_event_log/rtc_event_log_impl.h
index 160c112..9af487c 100644
--- a/logging/rtc_event_log/rtc_event_log_impl.h
+++ b/logging/rtc_event_log/rtc_event_log_impl.h
@@ -69,8 +69,6 @@
   // History containing the most recent (non-configuration) events (~10s).
   std::deque<std::unique_ptr<RtcEvent>> history_ RTC_GUARDED_BY(*task_queue_);
 
-  size_t max_size_bytes_ RTC_GUARDED_BY(*task_queue_);
-  size_t written_bytes_ RTC_GUARDED_BY(*task_queue_);
 
   std::unique_ptr<RtcEventLogEncoder> event_encoder_
       RTC_GUARDED_BY(*task_queue_);