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

media/audio/audio_input_controller.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef MEDIA_AUDIO_AUDIO_INPUT_CONTROLLER_H_
 #define MEDIA_AUDIO_AUDIO_INPUT_CONTROLLER_H_
 
 #include <string>
 #include "base/callback.h"
 #include "base/memory/ref_counted.h"
@@ skipping 96 matching lines @@
   // to create the AudioInputController. Factory is intended for testing only.
   class Factory {
    public:
     virtual AudioInputController* Create(AudioManager* audio_manager,
                                          EventHandler* event_handler,
                                          AudioParameters params) = 0;
    protected:
     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
   // thread.
   static scoped_refptr<AudioInputController> Create(
       AudioManager* audio_manager,
       EventHandler* event_handler,
       const AudioParameters& params);
 
   // Sets the factory used by the static method Create(). AudioInputController
@@ skipping 42 matching lines @@
                       uint32 hardware_delay_bytes, double volume) OVERRIDE;
   virtual void OnClose(AudioInputStream* stream) OVERRIDE;
   virtual void OnError(AudioInputStream* stream, int code) OVERRIDE;
 
   bool LowLatencyMode() const { return sync_writer_ != NULL; }
   scoped_refptr<base::MessageLoopProxy> message_loop() const {
     return message_loop_;
   }
 
  protected:
+  friend class base::RefCountedThreadSafe<AudioInputController>;
+  virtual ~AudioInputController();
+
   // Internal state of the source.
   enum State {
     kEmpty,
     kCreated,
     kRecording,
     kClosed,
     kError
   };
 
   AudioInputController(EventHandler* handler, SyncWriter* sync_writer);
@@ skipping 49 matching lines @@
   static Factory* factory_;
 
   double max_volume_;
 
   DISALLOW_COPY_AND_ASSIGN(AudioInputController);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_AUDIO_AUDIO_INPUT_CONTROLLER_H_