WebRTC Audio private API: removing WebRtcAudioPrivate(Set/Get)ActiveSinkFunction

content/browser/renderer_host/media/audio_output_delegate_impl.cc

Index: content/browser/renderer_host/media/audio_output_delegate_impl.cc
diff --git a/content/browser/renderer_host/media/audio_output_delegate_impl.cc b/content/browser/renderer_host/media/audio_output_delegate_impl.cc
index 84aecefb791193a916cfabd098467357d37c52be..c7fa41edf45d4657f97bf13dd9793b64f8062464 100644
--- a/content/browser/renderer_host/media/audio_output_delegate_impl.cc
+++ b/content/browser/renderer_host/media/audio_output_delegate_impl.cc
@@ -139,11 +139,6 @@ AudioOutputDelegateImpl::~AudioOutputDelegateImpl() {
       base::Passed(&reader_), controller_));
 }
 
-scoped_refptr<media::AudioOutputController>
-AudioOutputDelegateImpl::GetController() const {
-  return controller_;
-}
-
 int AudioOutputDelegateImpl::GetStreamId() const {
   return stream_id_;
 }
@@ -201,4 +196,8 @@ void AudioOutputDelegateImpl::OnError() {
   subscriber_->OnStreamError(stream_id_);
 }
 
+media::AudioOutputController* AudioOutputDelegateImpl::GetControllerForTesting()
+    const {
+  return controller_.get();
+}
 }  // namespace content