Add OVERRIDE to content/.

content/browser/renderer_host/media/audio_input_device_manager.h

Index: content/browser/renderer_host/media/audio_input_device_manager.h
diff --git a/content/browser/renderer_host/media/audio_input_device_manager.h b/content/browser/renderer_host/media/audio_input_device_manager.h
index 342e1c08337ed951a403f68fd0d92bd14e72f95e..c8c6014b57c4c1f3a549a7f529720be68237d614 100644
--- a/content/browser/renderer_host/media/audio_input_device_manager.h
+++ b/content/browser/renderer_host/media/audio_input_device_manager.h
@@ -39,11 +39,11 @@ class CONTENT_EXPORT AudioInputDeviceManager : public MediaStreamProvider {
   virtual ~AudioInputDeviceManager();
 
   // MediaStreamProvider implementation, called on IO thread.
-  virtual void Register(MediaStreamProviderListener* listener);
-  virtual void Unregister();
-  virtual void EnumerateDevices();
-  virtual int Open(const StreamDeviceInfo& device);
-  virtual void Close(int session_id);
+  virtual void Register(MediaStreamProviderListener* listener) OVERRIDE;
+  virtual void Unregister() OVERRIDE;
+  virtual void EnumerateDevices() OVERRIDE;
+  virtual int Open(const StreamDeviceInfo& device) OVERRIDE;
+  virtual void Close(int session_id) OVERRIDE;
 
   // Functions used by AudioInputRenderHost, called on IO thread.
   // Start the device referenced by the session id.