Reland 15721002: Hook up the device selection to the WebAudio live audio

content/renderer/pepper/pepper_platform_audio_output_impl.cc

Index: content/renderer/pepper/pepper_platform_audio_output_impl.cc
diff --git a/content/renderer/pepper/pepper_platform_audio_output_impl.cc b/content/renderer/pepper/pepper_platform_audio_output_impl.cc
index e53dd6dd2df9e53a0c6eb7dea8c1973a20aa8775..05600dd4787859877f04babac40942636f5f9e87 100644
--- a/content/renderer/pepper/pepper_platform_audio_output_impl.cc
+++ b/content/renderer/pepper/pepper_platform_audio_output_impl.cc
@@ -138,8 +138,9 @@ void PepperPlatformAudioOutputImpl::InitializeOnIOThread(
     const media::AudioParameters& params) {
   DCHECK(ChildProcess::current()->io_message_loop_proxy()->
       BelongsToCurrentThread());
+  const int kSessionId = 0;
   if (ipc_)
-    ipc_->CreateStream(this, params);
+    ipc_->CreateStream(this, params, kSessionId);
 }
 
 void PepperPlatformAudioOutputImpl::StartPlaybackOnIOThread() {