Pass camera facing info to audio client

content/browser/browser_main_loop.cc

Index: content/browser/browser_main_loop.cc
diff --git a/content/browser/browser_main_loop.cc b/content/browser/browser_main_loop.cc
index d6d917b4c3f3ac7a90f23333b621bec4cf94a67f..c00ad5e75d1edaeb5a4491fcfe75f9fe1222c06d 100644
--- a/content/browser/browser_main_loop.cc
+++ b/content/browser/browser_main_loop.cc
@@ -163,6 +163,7 @@
 #if defined(OS_CHROMEOS)
 #include "base/memory/memory_pressure_monitor_chromeos.h"
 #include "chromeos/chromeos_switches.h"
+#include "chromeos/audio/cras_audio_handler.h"
 #endif
 
 #if defined(USE_GLIB)
@@ -1524,7 +1525,12 @@ int BrowserMainLoop::BrowserThreadsStarted() {
   {
     TRACE_EVENT0("startup",
       "BrowserMainLoop::BrowserThreadsStarted:InitMediaStreamManager");
-    media_stream_manager_.reset(new MediaStreamManager(audio_manager_.get()));
+#if defined(IS_CHROMEOS)
+    media_stream_manager_.reset(new MediaStreamManager(audio_manager_.get(),
+                                                       static_cast<component::VideoCaptureObserver*>(CrasAudioHandler::Get())));
+#else
+    media_stream_manager_.reset(new MediaStreamManager(audio_manager_.get()), NULL);
+#endif
   }
 
   {