Inline media::Pipeline::ResetState() into initializer list.

media/base/pipeline.h

Index: media/base/pipeline.h
diff --git a/media/base/pipeline.h b/media/base/pipeline.h
index 9bd23e2edf05713946346b8a4823e7d4dd7fc514..1d50f04e6495d49fb64c2f9742d04970905eadba 100644
--- a/media/base/pipeline.h
+++ b/media/base/pipeline.h
@@ -252,10 +252,6 @@ class MEDIA_EXPORT Pipeline
     kError,
   };
 
-  // Reset the state of the pipeline object to the initial state.  This method
-  // is used by the constructor, and the Stop() method.
-  void ResetState();
-
   // Updates |state_|. All state transitions should use this call.
   void SetState(State next_state);