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

media/video/capture/video_capture.h

 // Copyright (c) 2011 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.
 //
 // This file contains abstract classes used for media filter to handle video
 // capture devices.
 
 #ifndef MEDIA_VIDEO_CAPTURE_VIDEO_CAPTURE_H_
 #define MEDIA_VIDEO_CAPTURE_VIDEO_CAPTURE_H_
 
 #include "base/memory/ref_counted.h"
 #include "base/time.h"
 #include "media/base/media_export.h"
 #include "media/base/video_frame.h"
 #include "media/video/capture/video_capture_types.h"
 
 namespace media {
 
 class MEDIA_EXPORT VideoCapture {
  public:
   // TODO(wjia): consider merging with media::VideoFrame if possible.
   class VideoFrameBuffer : public base::RefCountedThreadSafe<VideoFrameBuffer> {
    public:
     VideoFrameBuffer()
         : width(0),
           height(0),
           stride(0),
           buffer_size(0),
           memory_pointer(NULL) {}
-    ~VideoFrameBuffer() {}
 
     int width;
     int height;
     int stride;
     size_t buffer_size;
     uint8* memory_pointer;
     base::Time timestamp;
 
    private:
+    friend class base::RefCountedThreadSafe<VideoFrameBuffer>;
+    ~VideoFrameBuffer() {}
+
     DISALLOW_COPY_AND_ASSIGN(VideoFrameBuffer);
   };
 
   // TODO(wjia): add error codes.
   // Callbacks provided by client for notification of events.
   class EventHandler {
    public:
     // Notify client that video capture has been started.
     virtual void OnStarted(VideoCapture* capture) = 0;
 
@@ skipping 52 matching lines @@
   virtual int CaptureHeight() = 0;
   virtual int CaptureFrameRate() = 0;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(VideoCapture);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_VIDEO_CAPTURE_VIDEO_CAPTURE_H_