Remove implicit conversions from scoped_refptr to T* in content/renderer/media/

content/renderer/media/media_stream_audio_processor.cc

Index: content/renderer/media/media_stream_audio_processor.cc
diff --git a/content/renderer/media/media_stream_audio_processor.cc b/content/renderer/media/media_stream_audio_processor.cc
index 915b4d30753f88b8040c0fbf49ee551bf6a7772c..4efc507918899301f71492d031c52b8b4ee992f1 100644
--- a/content/renderer/media/media_stream_audio_processor.cc
+++ b/content/renderer/media/media_stream_audio_processor.cc
@@ -199,7 +199,7 @@ MediaStreamAudioProcessor::MediaStreamAudioProcessor(
     // In unit tests not creating a message filter, |aec_dump_message_filter_|
     // will be NULL. We can just ignore that. Other unit tests and browser tests
     // ensure that we do get the filter when we should.
-    if (aec_dump_message_filter_)
+    if (aec_dump_message_filter_.get())
       aec_dump_message_filter_->AddDelegate(this);
   }
 }
@@ -271,7 +271,7 @@ void MediaStreamAudioProcessor::Stop() {
 
   stopped_ = true;
 
-  if (aec_dump_message_filter_) {
+  if (aec_dump_message_filter_.get()) {
     aec_dump_message_filter_->RemoveDelegate(this);
     aec_dump_message_filter_ = NULL;
   }