media: Report RAPPOR for media pipeline errors

media/blink/webmediaplayer_util.h

Index: media/blink/webmediaplayer_util.h
diff --git a/media/blink/webmediaplayer_util.h b/media/blink/webmediaplayer_util.h
index c71e6c030613063acece7a08b9543b57b0492e61..1ae2a931c827eb714ab3ee57f2cc87d91475a78a 100644
--- a/media/blink/webmediaplayer_util.h
+++ b/media/blink/webmediaplayer_util.h
@@ -32,6 +32,12 @@ ReportMetrics(blink::WebMediaPlayer::LoadType load_type,
               const GURL& url,
               const blink::WebSecurityOrigin& security_origin);
 
+// Report metrics about pipeline errors.
+void MEDIA_BLINK_EXPORT
+ReportPipelineError(blink::WebMediaPlayer::LoadType load_type,
+                    const blink::WebSecurityOrigin& security_origin,
+                    PipelineStatus error);
+
 // Record a RAPPOR metric for the origin of an HLS playback.
 void MEDIA_BLINK_EXPORT RecordOriginOfHLSPlayback(const GURL& origin_url);