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

net/tools/content_decoder_tool/content_decoder_tool.cc

 // Copyright 2016 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 <iostream>
 
 #include "base/command_line.h"
 #include "net/base/io_buffer.h"
 #include "net/filter/filter.h"
 #include "net/filter/mock_filter_context.h"
@@ skipping 32 matching lines @@
         Filter::ConvertEncodingToType(content_encoding);
     if (filter_type == Filter::FILTER_TYPE_UNSUPPORTED) {
       std::cerr << "Unsupported decoder '" << content_encoding << "'."
                 << std::endl;
       return 1;
     }
     filter_types.push_back(filter_type);
   }
 
   net::MockFilterContext filter_context;
-  scoped_ptr<Filter> filter(Filter::Factory(filter_types, filter_context));
+  std::unique_ptr<Filter> filter(Filter::Factory(filter_types, filter_context));
   if (!filter) {
     std::cerr << "Couldn't create the decoder." << std::endl;
     return 1;
   }
 
   net::IOBuffer* pre_filter_buf = filter->stream_buffer();
   int pre_filter_buf_len = filter->stream_buffer_size();
   while (std::cin) {
     std::cin.read(pre_filter_buf->data(), pre_filter_buf_len);
     int pre_filter_data_len = std::cin.gcount();
@@ skipping 10 matching lines @@
         std::cerr << "Couldn't decode stdin." << std::endl;
         return 1;
       } else if (filter_status != Filter::FILTER_OK) {
         break;
       }
     }
   }
 
   return 0;
 }