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

media/video/video_decode_accelerator.cc

 // 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.
 
 #include "media/video/video_decode_accelerator.h"
 
 #include <GLES2/gl2.h>
 #include "base/logging.h"
 
 namespace media {
@@ skipping 20 matching lines @@
 
 VideoDecodeAccelerator::SupportedProfile::SupportedProfile()
     : profile(media::VIDEO_CODEC_PROFILE_UNKNOWN) {
 }
 
 VideoDecodeAccelerator::SupportedProfile::~SupportedProfile() {
 }
 
 } // namespace media
 
-namespace base {
+namespace std {
 
-void DefaultDeleter<media::VideoDecodeAccelerator>::operator()(
-    void* video_decode_accelerator) const {
-  static_cast<media::VideoDecodeAccelerator*>(video_decode_accelerator)->
-      Destroy();
+void default_delete<media::VideoDecodeAccelerator>::operator()(
+    media::VideoDecodeAccelerator* vda) const {
+  vda->Destroy();
 }
 
-}  // namespace base
-
-
+}  // namespace std