Supress pipeline errors during destruction and suspend.

media/blink/webmediaplayer_impl.h

Index: media/blink/webmediaplayer_impl.h
diff --git a/media/blink/webmediaplayer_impl.h b/media/blink/webmediaplayer_impl.h
index ffd9c220ed495d9cd90b111da4d2664d04e35e77..ec55ca11b4e94b196c49dec8e648339264ea67fb 100644
--- a/media/blink/webmediaplayer_impl.h
+++ b/media/blink/webmediaplayer_impl.h
@@ -454,6 +454,11 @@ class MEDIA_BLINK_EXPORT WebMediaPlayerImpl
   // This will be null everywhere but Android.
   SurfaceManager* surface_manager_;
 
+  // Suppresses calls to OnPipelineError() after destruction / shutdown has been
+  // started; prevents us from spuriously logging errors that are transient or
+  // unimportant.
+  bool suppress_destruction_errors_;
+
   DISALLOW_COPY_AND_ASSIGN(WebMediaPlayerImpl);
 };