| Index: media/base/composite_filter.h | 
| diff --git a/media/base/composite_filter.h b/media/base/composite_filter.h | 
| index 4b35be3f8f3787712018df21a53ea964bf0bd1ea..9821d03facf473a85801eaa1ac7ef403836f0c01 100644 | 
| --- a/media/base/composite_filter.h | 
| +++ b/media/base/composite_filter.h | 
| @@ -27,6 +27,9 @@ class MEDIA_EXPORT CompositeFilter : public Filter { | 
| // because the composite is in the wrong state. | 
| bool AddFilter(scoped_refptr<Filter> filter); | 
|  | 
| +  // Undoes AddFilter's actions.  CHECK-fails if |filter| is unknown. | 
| +  void RemoveFilter(scoped_refptr<Filter> filter); | 
| + | 
| // media::Filter methods. | 
| virtual void set_host(FilterHost* host) OVERRIDE; | 
| virtual FilterHost* host() OVERRIDE; | 
|  |