Remove raw DictionaryValue::Set in //chrome

chrome/test/chromedriver/chrome_launcher.cc

 // Copyright (c) 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/test/chromedriver/chrome_launcher.h"
 
 #include <stddef.h>
 #include <stdint.h>
+
 #include <algorithm>
 #include <memory>
 #include <utility>
 #include <vector>
 
 #include "base/base64.h"
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
 #include "base/files/scoped_file.h"
 #include "base/format_macros.h"
 #include "base/json/json_reader.h"
 #include "base/json/json_writer.h"
 #include "base/logging.h"
+#include "base/memory/ptr_util.h"
 #include "base/process/kill.h"
 #include "base/process/launch.h"
 #include "base/process/process.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/threading/platform_thread.h"
 #include "base/time/time.h"
 #include "base/values.h"
@@ skipping 775 matching lines @@
                                            &error_msg);
   base::DictionaryValue* prefs;
   if (!template_value || !template_value->GetAsDictionary(&prefs)) {
     return Status(kUnknownError,
                   "cannot parse internal JSON template: " + error_msg);
   }
 
   if (custom_prefs) {
     for (base::DictionaryValue::Iterator it(*custom_prefs); !it.IsAtEnd();
          it.Advance()) {
-      prefs->Set(it.key(), it.value().DeepCopy());
+      prefs->Set(it.key(), base::MakeUnique<base::Value>(it.value()));
     }
   }
 
   std::string prefs_str;
   base::JSONWriter::Write(*prefs, &prefs_str);
   VLOG(0) << "Populating " << path.BaseName().value()
           << " file: " << PrettyPrintValue(*prefs);
   if (static_cast<int>(prefs_str.length()) != base::WriteFile(
           path, prefs_str.c_str(), prefs_str.length())) {
     return Status(kUnknownError, "failed to write prefs file");
@@ skipping 44 matching lines @@
   // Write empty "First Run" file, otherwise Chrome will wipe the default
   // profile that was written.
   if (base::WriteFile(
           user_data_dir.Append(chrome::kFirstRunSentinel), "", 0) != 0) {
     return Status(kUnknownError, "failed to write first run file");
   }
   return Status(kOk);
 }
 
 }  // namespace internal