Remove base::StringValue

ios/chrome/browser/ui/webui/crashes_ui.cc

 // Copyright 2015 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 "ios/chrome/browser/ui/webui/crashes_ui.h"
 
 #include <stddef.h>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 106 matching lines @@
 
 void CrashesDOMHandler::UpdateUI() {
   bool crash_reporting_enabled =
       IOSChromeMetricsServiceAccessor::IsMetricsAndCrashReportingEnabled();
   base::ListValue crash_list;
   if (crash_reporting_enabled)
     crash::UploadListToValue(upload_list_.get(), &crash_list);
   base::Value enabled(crash_reporting_enabled);
   base::Value dynamic_backend(false);
   base::Value manual_uploads(false);
-  base::StringValue version(version_info::GetVersionNumber());
-  base::StringValue os_string(base::SysInfo::OperatingSystemName() + " " +
-                              base::SysInfo::OperatingSystemVersion());
+  base::Value version(version_info::GetVersionNumber());
+  base::Value os_string(base::SysInfo::OperatingSystemName() + " " +
+                        base::SysInfo::OperatingSystemVersion());
 
   std::vector<const base::Value*> args;
   args.push_back(&enabled);
   args.push_back(&dynamic_backend);
   args.push_back(&manual_uploads);
   args.push_back(&crash_list);
   args.push_back(&version);
   args.push_back(&os_string);
   web_ui()->CallJavascriptFunction(crash::kCrashesUIUpdateCrashList, args);
 }
 
 }  // namespace
 
 ///////////////////////////////////////////////////////////////////////////////
 //
 // CrashesUI
 //
 ///////////////////////////////////////////////////////////////////////////////
 
 CrashesUI::CrashesUI(web::WebUIIOS* web_ui) : web::WebUIIOSController(web_ui) {
   web_ui->AddMessageHandler(base::MakeUnique<CrashesDOMHandler>());
 
   // Set up the chrome://crashes/ source.
   web::WebUIIOSDataSource::Add(ios::ChromeBrowserState::FromWebUIIOS(web_ui),
                                CreateCrashesUIHTMLSource());
 }