Rewrite simple uses of base::ListValue::Append() taking a raw pointer var.

components/search_engines/template_url_prepopulate_data_unittest.cc

Index: components/search_engines/template_url_prepopulate_data_unittest.cc
diff --git a/components/search_engines/template_url_prepopulate_data_unittest.cc b/components/search_engines/template_url_prepopulate_data_unittest.cc
index 368597b9ff352803245dc726504a5122f76a8127..b3759a090633d6529f2ce269383f94c477fef01e 100644
--- a/components/search_engines/template_url_prepopulate_data_unittest.cc
+++ b/components/search_engines/template_url_prepopulate_data_unittest.cc
@@ -2,8 +2,13 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+#include "components/search_engines/template_url_prepopulate_data.h"
+
 #include <stddef.h>
 
+#include <memory>
+#include <utility>
+
 #include "base/command_line.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/macros.h"
@@ -15,7 +20,6 @@
 #include "components/search_engines/search_engines_pref_names.h"
 #include "components/search_engines/search_terms_data.h"
 #include "components/search_engines/template_url.h"
-#include "components/search_engines/template_url_prepopulate_data.h"
 #include "components/search_engines/template_url_service.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ -207,7 +211,7 @@ TEST_F(TemplateURLPrepopulateDataTest, ClearProvidersFromPrefs) {
   prefs_.SetUserPref(prefs::kSearchProviderOverridesVersion,
                      new base::FundamentalValue(1));
   base::ListValue* overrides = new base::ListValue;
-  base::DictionaryValue* entry(new base::DictionaryValue);
+  std::unique_ptr<base::DictionaryValue> entry(new base::DictionaryValue);
   // Set only the minimal required settings for a search provider configuration.
   entry->SetString("name", "foo");
   entry->SetString("keyword", "fook");
@@ -215,7 +219,7 @@ TEST_F(TemplateURLPrepopulateDataTest, ClearProvidersFromPrefs) {
   entry->SetString("favicon_url", "http://foi.com/favicon.ico");
   entry->SetString("encoding", "UTF-8");
   entry->SetInteger("id", 1001);
-  overrides->Append(entry);
+  overrides->Append(std::move(entry));
   prefs_.SetUserPref(prefs::kSearchProviderOverrides, overrides);
 
   int version = TemplateURLPrepopulateData::GetDataVersion(&prefs_);