Remove base::Value::CreateNullValue

chrome/test/chromedriver/server/http_handler.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/server/http_handler.h"
 
 #include <stddef.h>
 
 #include <memory>
 #include <utility>
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/json/json_reader.h"
 #include "base/json/json_writer.h"
 #include "base/logging.h"  // For CHECK macros.
 #include "base/macros.h"
+#include "base/memory/ptr_util.h"
 #include "base/message_loop/message_loop.h"
 #include "base/strings/string_split.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/sys_info.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "base/values.h"
 #include "build/build_config.h"
 #include "chrome/test/chromedriver/alert_commands.h"
@@ skipping 721 matching lines @@
         "Driver info: chromedriver=%s,platform=%s %s %s",
         kChromeDriverVersion,
         base::SysInfo::OperatingSystemName().c_str(),
         base::SysInfo::OperatingSystemVersion().c_str(),
         base::SysInfo::OperatingSystemArchitecture().c_str()));
     std::unique_ptr<base::DictionaryValue> error(new base::DictionaryValue());
     error->SetString("message", full_status.message());
     value.reset(error.release());
   }
   if (!value)
-    value = base::Value::CreateNullValue();
+    value = base::MakeUnique<base::Value>();
 
   base::DictionaryValue body_params;
   body_params.SetInteger("status", status.code());
   body_params.Set("value", value.release());
   body_params.SetString("sessionId", session_id);
   std::string body;
   base::JSONWriter::WriteWithOptions(
       body_params, base::JSONWriter::OPTIONS_OMIT_DOUBLE_TYPE_PRESERVATION,
       &body);
   std::unique_ptr<net::HttpServerResponseInfo> response(
@@ skipping 42 matching lines @@
     case kChromeNotReachable:
     case kDisconnected:
     case kForbidden:
     case kTabCrashed:
       response.reset(
           new net::HttpServerResponseInfo(net::HTTP_INTERNAL_SERVER_ERROR));
       break;
   }
 
   if (!value)
-    value = base::Value::CreateNullValue();
+    value = base::MakeUnique<base::Value>();
 
   base::DictionaryValue body_params;
   if (status.IsError()){
     // Separates status default message from additional details.
     std::vector<std::string> status_details = base::SplitString(
         status.message(), ":\n", base::TRIM_WHITESPACE,
         base::SPLIT_WANT_NONEMPTY);
     std::string message;
     for (size_t i=1; i<status_details.size();++i)
       message += status_details[i];
@@ skipping 70 matching lines @@
         params.SetString(name, decoded);
     } else if (command_path_parts[i] != path_parts[i]) {
       return false;
     }
   }
   out_params->MergeDictionary(&params);
   return true;
 }
 
 }  // namespace internal