Update Android to use scoped_refptr<T>::get() rather than implicit "operator T*"

content/renderer/media/webrtc_local_audio_track.cc

Index: content/renderer/media/webrtc_local_audio_track.cc
diff --git a/content/renderer/media/webrtc_local_audio_track.cc b/content/renderer/media/webrtc_local_audio_track.cc
index dc54c00450899d837384c0db94020e4fd3ffcbc5..704d551ed727b787a740c9b3473d25957f92b5bd 100644
--- a/content/renderer/media/webrtc_local_audio_track.cc
+++ b/content/renderer/media/webrtc_local_audio_track.cc
@@ -38,7 +38,7 @@ WebRtcLocalAudioTrack::~WebRtcLocalAudioTrack() {
   DVLOG(1) << "WebRtcLocalAudioTrack::~WebRtcLocalAudioTrack()";
 
   // Users might not call Stop() on the track.
-  if (capturer_)
+  if (capturer_.get())
     Stop();
 }
 
@@ -129,14 +129,14 @@ void WebRtcLocalAudioTrack::RemoveSink(
 void WebRtcLocalAudioTrack::Start() {
   DCHECK(thread_checker_.CalledOnValidThread());
   DVLOG(1) << "WebRtcLocalAudioTrack::Start()";
-  if (capturer_)
+  if (capturer_.get())
     capturer_->AddSink(this);
 }
 
 void WebRtcLocalAudioTrack::Stop() {
   DCHECK(thread_checker_.CalledOnValidThread());
   DVLOG(1) << "WebRtcLocalAudioTrack::Stop()";
-  if (capturer_) {
+  if (capturer_.get()) {
     capturer_->RemoveSink(this);
     capturer_ = NULL;
   }