Remove raw base::DictionaryValue::SetWithoutPathExpansion in //chrome

chrome/browser/ui/webui/chromeos/login/base_webui_handler.cc

 // Copyright 2017 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/ui/webui/chromeos/login/base_webui_handler.h"
 
 #include "base/logging.h"
 #include "base/memory/ptr_util.h"
 #include "base/values.h"
 #include "chrome/browser/chromeos/login/screens/base_screen.h"
@@ skipping 60 matching lines @@
 void BaseWebUIHandler::ShowScreen(OobeScreen screen) {
   ShowScreenWithData(screen, nullptr);
 }
 
 void BaseWebUIHandler::ShowScreenWithData(OobeScreen screen,
                                           const base::DictionaryValue* data) {
   if (!web_ui())
     return;
   base::DictionaryValue screen_params;
   screen_params.SetString("id", GetOobeScreenName(screen));
-  if (data)
-    screen_params.SetWithoutPathExpansion("data", data->DeepCopy());
+  if (data) {
+    screen_params.SetWithoutPathExpansion("data",
+                                          base::MakeUnique<base::Value>(*data));
+  }
   web_ui()->CallJavascriptFunctionUnsafe("cr.ui.Oobe.showScreen",
                                          screen_params);
 }
 
 OobeUI* BaseWebUIHandler::GetOobeUI() const {
   return static_cast<OobeUI*>(web_ui()->GetController());
 }
 
 OobeScreen BaseWebUIHandler::GetCurrentScreen() const {
   OobeUI* oobe_ui = GetOobeUI();
@@ skipping 33 matching lines @@
 
 void BaseWebUIHandler::ExecuteDeferredJSCalls() {
   DCHECK(!js_calls_container_->is_initialized());
   js_calls_container_->mark_initialized();
   for (const auto& deferred_js_call : js_calls_container_->deferred_js_calls())
     deferred_js_call.Run();
   js_calls_container_->deferred_js_calls().clear();
 }
 
 }  // namespace chromeos