In-class-initialize LIMITED_MEDIA_LOG log counters

media/formats/webm/webm_cluster_parser.cc

Index: media/formats/webm/webm_cluster_parser.cc
diff --git a/media/formats/webm/webm_cluster_parser.cc b/media/formats/webm/webm_cluster_parser.cc
index d530f0ae7e4a9f2b1ddc56aa21a91fa5a2202d63..92b508bc17544f4e86c328cd7830ba7330a3f230 100644
--- a/media/formats/webm/webm_cluster_parser.cc
+++ b/media/formats/webm/webm_cluster_parser.cc
@@ -43,22 +43,13 @@ WebMClusterParser::WebMClusterParser(
     const std::string& video_encryption_key_id,
     const AudioCodec audio_codec,
     const scoped_refptr<MediaLog>& media_log)
-    : num_duration_errors_(0),
-      timecode_multiplier_(timecode_scale / 1000.0),
+    : timecode_multiplier_(timecode_scale / 1000.0),
       ignored_tracks_(ignored_tracks),
       audio_encryption_key_id_(audio_encryption_key_id),
       video_encryption_key_id_(video_encryption_key_id),
       audio_codec_(audio_codec),
       parser_(kWebMIdCluster, this),
-      last_block_timecode_(-1),
-      block_data_size_(-1),
-      block_duration_(-1),
-      block_add_id_(-1),
-      block_additional_data_size_(0),
-      discard_padding_(-1),
-      cluster_timecode_(-1),
       cluster_start_time_(kNoTimestamp()),
-      cluster_ended_(false),
       audio_(audio_track_num, false, audio_default_duration, media_log),
       video_(video_track_num, true, video_default_duration, media_log),
       ready_buffer_upper_bound_(kNoDecodeTimestamp()),
@@ -596,8 +587,7 @@ WebMClusterParser::Track::Track(int track_num,
                                 bool is_video,
                                 base::TimeDelta default_duration,
                                 const scoped_refptr<MediaLog>& media_log)
-    : num_duration_estimates_(0),
-      track_num_(track_num),
+    : track_num_(track_num),
       is_video_(is_video),
       default_duration_(default_duration),
       estimated_next_frame_duration_(kNoTimestamp()),