Change scoped_ptr to std::unique_ptr in //net/disk_cache.

net/disk_cache/blockfile/sparse_control_v3.cc

 // 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.
 
 #include "net/disk_cache/blockfile/sparse_control.h"
 
 #include "base/bind.h"
 #include "base/format_macros.h"
 #include "base/logging.h"
 #include "base/macros.h"
@@ skipping 57 matching lines @@
  private:
   friend class base::RefCounted<ChildrenDeleter>;
   ~ChildrenDeleter() override {}
 
   void DeleteChildren();
 
   base::WeakPtr<disk_cache::BackendImpl> backend_;
   std::string name_;
   disk_cache::Bitmap children_map_;
   int64_t signature_;
-  scoped_ptr<char[]> buffer_;
+  std::unique_ptr<char[]> buffer_;
   DISALLOW_COPY_AND_ASSIGN(ChildrenDeleter);
 };
 
 // This is the callback of the file operation.
 void ChildrenDeleter::OnFileIOComplete(int bytes_copied) {
   char* buffer = buffer_.release();
   Start(buffer, bytes_copied);
 }
 
 void ChildrenDeleter::Start(char* buffer, int len) {
@@ skipping 775 matching lines @@
       DoAbortCallbacks();
     return;
   }
 
   // We are running a callback from the message loop. It's time to restart what
   // we were doing before.
   DoChildrenIO();
 }
 
 }  // namespace disk_cache