To dropp the decode done callback in RTCVideoDecoderBridgeTv.

content/renderer/media/rtc_video_decoder_bridge_tv.cc

Index: content/renderer/media/rtc_video_decoder_bridge_tv.cc
diff --git a/content/renderer/media/rtc_video_decoder_bridge_tv.cc b/content/renderer/media/rtc_video_decoder_bridge_tv.cc
index c59496c2e730137b5ff157cb348bcba7e95de8e2..53d7495c3b319a4b3cdf3fe27a4f02bd774fc777 100644
--- a/content/renderer/media/rtc_video_decoder_bridge_tv.cc
+++ b/content/renderer/media/rtc_video_decoder_bridge_tv.cc
@@ -91,13 +91,7 @@ int32_t RTCVideoDecoderBridgeTv::Decode(
         render_time_ms - timestamp_offset_millis_));
   }
 
-  factory_->QueueBuffer(
-      buffer,
-      base::Bind(&RTCVideoDecoderBridgeTv::RunDecodeCompleteCallback,
-                 decode_complete_callback_,
-                 input_image._timeStamp,
-                 size_),
-      new_size);
+  factory_->QueueBuffer(buffer, new_size);
 
   return WEBRTC_VIDEO_CODEC_OK;
 }
@@ -118,21 +112,4 @@ int32_t RTCVideoDecoderBridgeTv::Reset() {
   return WEBRTC_VIDEO_CODEC_OK;
 }
 
-// static
-void RTCVideoDecoderBridgeTv::RunDecodeCompleteCallback(
-    webrtc::DecodedImageCallback* callback,
-    int64_t timestamp,
-    gfx::Size size) {
-  // We call the decode complete callback function to notify libjingle that
-  // decoding is finished. In addition, this also reports back to libjingle that
-  // the particular video frame with |timestamp| is correctly rendered to
-  // libjingle, so that it can generate proper stats.
-  webrtc::I420VideoFrame dummy_video_frame;
-  int half_width = (size.width() + 1) / 2;
-  dummy_video_frame.CreateEmptyFrame(
-      size.width(), size.height(), size.width(), half_width, half_width);
-  dummy_video_frame.set_timestamp(timestamp);
-  callback->Decoded(dummy_video_frame);
-}
-
 }  // namespace content