Remove implicit conversions from scoped_refptr to T* in media/

media/filters/opus_audio_decoder.cc

Index: media/filters/opus_audio_decoder.cc
diff --git a/media/filters/opus_audio_decoder.cc b/media/filters/opus_audio_decoder.cc
index 62784ddf71036fc4f97fb03d320049ebbb5ee372..6347347e061cfd7c291b4c133a4e7e897f056835 100644
--- a/media/filters/opus_audio_decoder.cc
+++ b/media/filters/opus_audio_decoder.cc
@@ -298,7 +298,7 @@ void OpusAudioDecoder::DecodeBuffer(
     const DecodeCB& decode_cb) {
   DCHECK(task_runner_->BelongsToCurrentThread());
   DCHECK(!decode_cb.is_null());
-  DCHECK(input);
+  DCHECK(input.get());
 
   // Libopus does not buffer output. Decoding is complete when an end of stream
   // input buffer is received.
@@ -330,7 +330,7 @@ void OpusAudioDecoder::DecodeBuffer(
     return;
   }
 
-  if (output_buffer) {
+  if (output_buffer.get()) {
     output_cb_.Run(output_buffer);
   }