[media] Removed unused method declaration from WMPI

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 3cfc57fdc75a625fe4dd7fc011eedaf3d6c7c721..edf53693258e95f6c8e94dbe11ec3ddb1c7779f5 100644
--- a/media/blink/webmediaplayer_impl.h
+++ b/media/blink/webmediaplayer_impl.h
@@ -298,10 +298,6 @@ class MEDIA_BLINK_EXPORT WebMediaPlayerImpl
   // Gets the duration value reported by the pipeline.
   double GetPipelineDuration() const;
 
-  // Called by VideoRendererImpl on its internal thread with the new frame to be
-  // painted.
-  void FrameReady(const scoped_refptr<VideoFrame>& frame);
-
   // Returns the current video frame from |compositor_|. Blocks until the
   // compositor can return the frame.
   scoped_refptr<VideoFrame> GetCurrentFrameFromCompositor();