Convert //chrome/browser/chromeos from scoped_ptr to std::unique_ptr

chrome/browser/chromeos/file_manager/url_util_unittest.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 "chrome/browser/chromeos/file_manager/url_util.h"
 
+#include <memory>
+
 #include "base/files/file_path.h"
 #include "base/json/json_reader.h"
 #include "base/json/json_writer.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/values.h"
 #include "net/base/escape.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace file_manager {
 namespace util {
 namespace {
 
 // Pretty print the JSON escaped in the query string.
 std::string PrettyPrintEscapedJson(const std::string& query) {
   const std::string json = net::UnescapeURLComponent(
       query, net::UnescapeRule::SPACES | net::UnescapeRule::PATH_SEPARATORS |
                  net::UnescapeRule::URL_SPECIAL_CHARS_EXCEPT_PATH_SEPARATORS);
-  scoped_ptr<base::Value> value = base::JSONReader::Read(json);
+  std::unique_ptr<base::Value> value = base::JSONReader::Read(json);
   std::string pretty_json;
   base::JSONWriter::WriteWithOptions(
       *value, base::JSONWriter::OPTIONS_PRETTY_PRINT, &pretty_json);
   return pretty_json;
 }
 
 TEST(FileManagerUrlUtilTest, GetFileManagerMainPageUrl) {
   EXPECT_EQ("chrome-extension://hhaomjibdihmijegdhdafkllkbggdgoj/main.html",
             GetFileManagerMainPageUrl().spec());
 }
@@ skipping 85 matching lines @@
       "      \"extensions\": [ \"txt\" ],\n"
       "      \"selected\": false\n"
       "   } ]\n"
       "}\n",
       PrettyPrintEscapedJson(url.query()));
 }
 
 }  // namespace
 }  // namespace util
 }  // namespace file_manager