Use std::default_delete as the default deleter for scoped_ptr.

media/video/video_decode_accelerator.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_VIDEO_VIDEO_DECODE_ACCELERATOR_H_
 #define MEDIA_VIDEO_VIDEO_DECODE_ACCELERATOR_H_
 
+#include <memory>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "media/base/bitstream_buffer.h"
 #include "media/base/video_decoder_config.h"
 #include "media/video/picture.h"
 #include "ui/gfx/geometry/size.h"
 
 typedef unsigned int GLenum;
 
@@ skipping 165 matching lines @@
   virtual GLenum GetSurfaceInternalFormat() const;
 
  protected:
   // Do not delete directly; use Destroy() or own it with a scoped_ptr, which
   // will Destroy() it properly by default.
   virtual ~VideoDecodeAccelerator();
 };
 
 }  // namespace media
 
-namespace base {
+namespace std {
 
-template <class T>
-struct DefaultDeleter;
-
-// Specialize DefaultDeleter so that scoped_ptr<VideoDecodeAccelerator> always
+// Specialize std::default_delete so that scoped_ptr<VideoDecodeAccelerator>
 // uses "Destroy()" instead of trying to use the destructor.
 template <>
-struct MEDIA_EXPORT DefaultDeleter<media::VideoDecodeAccelerator> {
- public:
-  void operator()(void* video_decode_accelerator) const;
+struct MEDIA_EXPORT default_delete<media::VideoDecodeAccelerator> {
+  void operator()(media::VideoDecodeAccelerator* vda) const;
 };
 
-}  // namespace base
+}  // namespace std
 
 #endif  // MEDIA_VIDEO_VIDEO_DECODE_ACCELERATOR_H_