RefCounted types should not have public destructors, media/ and gpu/ edition

media/audio/audio_input_controller.h

Index: media/audio/audio_input_controller.h
diff --git a/media/audio/audio_input_controller.h b/media/audio/audio_input_controller.h
index 8fd69b0fa6299151822f8bc6ec8c97247ff6cb91..2445091c3372c96b1620e704a5c6b1d95dd2fbb5 100644
--- a/media/audio/audio_input_controller.h
+++ b/media/audio/audio_input_controller.h
@@ -114,8 +114,6 @@ class MEDIA_EXPORT AudioInputController
     virtual ~Factory() {}
   };
 
-  virtual ~AudioInputController();
-
   // Factory method for creating an AudioInputController.
   // The audio device will be created on the audio thread, and when that is
   // done, the event handler will receive an OnCreated() call from that same
@@ -178,6 +176,9 @@ class MEDIA_EXPORT AudioInputController
   }
 
  protected:
+  friend class base::RefCountedThreadSafe<AudioInputController>;
+  virtual ~AudioInputController();
+
   // Internal state of the source.
   enum State {
     kEmpty,