Adds AudioDevice factory for all audio clients in Chrome

content/test/webrtc_audio_device_test.cc

Index: content/test/webrtc_audio_device_test.cc
diff --git a/content/test/webrtc_audio_device_test.cc b/content/test/webrtc_audio_device_test.cc
index 43680b52077f7ef355116fb3c4e750a97ac835e9..2e7235528ace745be64af2b487983ee1bfb2a3fd 100644
--- a/content/test/webrtc_audio_device_test.cc
+++ b/content/test/webrtc_audio_device_test.cc
@@ -21,7 +21,10 @@
 #include "content/public/common/content_paths.h"
 #include "content/public/test/mock_resource_context.h"
 #include "content/public/test/test_browser_thread.h"
+#include "content/renderer/media/audio_device.h"
+#include "content/renderer/media/audio_device_factory.h"
 #include "content/renderer/media/audio_hardware.h"
+#include "content/renderer/media/audio_message_filter.h"
 #include "content/renderer/media/webrtc_audio_device_impl.h"
 #include "content/renderer/render_process.h"
 #include "content/renderer/render_thread_impl.h"
@@ -141,6 +144,10 @@ void WebRTCAudioDeviceTest::SetUp() {
   sandbox_was_enabled_ =
       RendererWebKitPlatformSupportImpl::SetSandboxEnabledForTesting(false);
   render_thread_ = new RenderThreadImpl(kThreadName);
+
+  audio_device_factory_.reset(
+      new AudioDeviceFactory<AudioDevice, AudioMessageFilter>(
+          render_thread_->audio_message_filter()));
 }
 
 void WebRTCAudioDeviceTest::TearDown() {