Merge AssociateStreamWithProducer message into CreateStream message for both audio output and input.

content/renderer/media/webrtc_audio_device_unittest.cc

Index: content/renderer/media/webrtc_audio_device_unittest.cc
diff --git a/content/renderer/media/webrtc_audio_device_unittest.cc b/content/renderer/media/webrtc_audio_device_unittest.cc
index 4ca019591641ebd2e316db83fe116bd63a7b3a87..52607387f8b3b7d093ff2af06eb574395e2c087c 100644
--- a/content/renderer/media/webrtc_audio_device_unittest.cc
+++ b/content/renderer/media/webrtc_audio_device_unittest.cc
@@ -104,7 +104,7 @@ bool InitializeCapturer(WebRtcAudioDeviceImpl* webrtc_audio_device) {
   int sample_rate = hardware_config->GetInputSampleRate();
   media::ChannelLayout channel_layout =
       hardware_config->GetInputChannelLayout();
-  if (!capturer->Initialize(channel_layout, sample_rate, 1))
+  if (!capturer->Initialize(kRenderViewId, channel_layout, sample_rate, 1))
     return false;
 
   return true;