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

media/video/video_encode_accelerator.cc

 // Copyright 2013 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_encode_accelerator.h"
 
 namespace media {
 
 VideoEncodeAccelerator::~VideoEncodeAccelerator() {}
 
 VideoEncodeAccelerator::SupportedProfile::SupportedProfile()
     : profile(media::VIDEO_CODEC_PROFILE_UNKNOWN),
       max_framerate_numerator(0),
       max_framerate_denominator(0) {
 }
 
 VideoEncodeAccelerator::SupportedProfile::~SupportedProfile() {
 }
 
 }  // namespace media
 
-namespace base {
+namespace std {
 
-void DefaultDeleter<media::VideoEncodeAccelerator>::operator()(
-    void* video_encode_accelerator) const {
-  static_cast<media::VideoEncodeAccelerator*>(video_encode_accelerator)->
-      Destroy();
+void default_delete<media::VideoEncodeAccelerator>::operator()(
+    media::VideoEncodeAccelerator* vea) const {
+  vea->Destroy();
 }
 
-}  // namespace base
-
+}  // namespace std