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

media/filters/ffmpeg_demuxer.cc

Index: media/filters/ffmpeg_demuxer.cc
diff --git a/media/filters/ffmpeg_demuxer.cc b/media/filters/ffmpeg_demuxer.cc
index eb357e3aca46f9c8dade529f41365b9e84eaf9fb..c5ad44700e051b69e653869abd3b79604b96b779 100644
--- a/media/filters/ffmpeg_demuxer.cc
+++ b/media/filters/ffmpeg_demuxer.cc
@@ -33,8 +33,6 @@ class AVPacketBuffer : public Buffer {
         packet_(packet.Pass()) {
   }
 
-  virtual ~AVPacketBuffer() {}
-
   // Buffer implementation.
   virtual const uint8* GetData() const {
     return reinterpret_cast<const uint8*>(packet_->data);
@@ -45,6 +43,8 @@ class AVPacketBuffer : public Buffer {
   }
 
  private:
+  virtual ~AVPacketBuffer() {}
+
   scoped_ptr_malloc<AVPacket, ScopedPtrAVFreePacket> packet_;
 
   DISALLOW_COPY_AND_ASSIGN(AVPacketBuffer);