First step towards moving AudioDevice from content/ to media/audio.

content/renderer/media/audio_renderer_mixer_manager_unittest.cc

Index: content/renderer/media/audio_renderer_mixer_manager_unittest.cc
diff --git a/content/renderer/media/audio_renderer_mixer_manager_unittest.cc b/content/renderer/media/audio_renderer_mixer_manager_unittest.cc
index 92a44d44c608a601daf7dd3b99e1c331578c1c1e..5eeae9bd7e8b978d9a6966aecff96e85190ac65f 100644
--- a/content/renderer/media/audio_renderer_mixer_manager_unittest.cc
+++ b/content/renderer/media/audio_renderer_mixer_manager_unittest.cc
@@ -27,13 +27,18 @@ class MockAudioRenderSinkFactory : public AudioDeviceFactory {
   virtual ~MockAudioRenderSinkFactory() {}
 
  protected:
-  virtual media::MockAudioRendererSink* CreateAudioDevice() {
+  virtual media::MockAudioRendererSink* CreateOutputDevice() OVERRIDE {
     media::MockAudioRendererSink* sink = new media::MockAudioRendererSink();
     EXPECT_CALL(*sink, Start());
     EXPECT_CALL(*sink, Stop());
     return sink;
   }
 
+  virtual AudioInputDevice* CreateInputDevice() OVERRIDE {
+    ADD_FAILURE();
+    return NULL;
+  }
+
   DISALLOW_COPY_AND_ASSIGN(MockAudioRenderSinkFactory);
 };