Remove base::Value::CreateNullValue

content/browser/gpu/gpu_internals_ui.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 "content/browser/gpu/gpu_internals_ui.h"
 
 #include <stddef.h>
 
 #include <memory>
 #include <string>
@@ skipping 229 matching lines @@
       "Reset notification strategy", reset_strategy));
 
   basic_info->Append(
       NewDescriptionValuePair("GPU process crash count",
                               new base::Value(gpu_info.process_crash_count)));
 
   base::DictionaryValue* info = new base::DictionaryValue();
   info->Set("basic_info", basic_info);
 
 #if defined(OS_WIN)
-  std::unique_ptr<base::Value> dx_info = base::Value::CreateNullValue();
+  auto dx_info = base::MakeUnique<base::Value>();
   if (gpu_info.dx_diagnostics.children.size())
     dx_info.reset(DxDiagNodeToList(gpu_info.dx_diagnostics));
   info->Set("diagnostics", std::move(dx_info));
 #endif
 
 #if defined(USE_X11) && !defined(OS_CHROMEOS)
   basic_info->Append(NewDescriptionValuePair(
       "System visual ID", base::Uint64ToString(gpu_info.system_visual)));
   basic_info->Append(NewDescriptionValuePair(
       "RGBA visual ID", base::Uint64ToString(gpu_info.rgba_visual)));
@@ skipping 297 matching lines @@
     : WebUIController(web_ui) {
   web_ui->AddMessageHandler(base::MakeUnique<GpuMessageHandler>());
 
   // Set up the chrome://gpu/ source.
   BrowserContext* browser_context =
       web_ui->GetWebContents()->GetBrowserContext();
   WebUIDataSource::Add(browser_context, CreateGpuHTMLSource());
 }
 
 }  // namespace content