Remove ListValue::Append(new {Fundamental,String}Value(...)) pattern in //components

components/search_engines/default_search_pref_test_util.cc

 // Copyright 2014 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 "components/search_engines/default_search_pref_test_util.h"
 
 #include "base/strings/string_split.h"
 #include "components/search_engines/default_search_manager.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ skipping 31 matching lines @@
              new base::StringValue(search_terms_replacement_key));
 
   std::unique_ptr<base::ListValue> encodings_list(new base::ListValue);
   for (const std::string& term : base::SplitString(
            encodings, ";", base::TRIM_WHITESPACE, base::SPLIT_WANT_ALL))
     encodings_list->AppendString(term);
   value->Set(DefaultSearchManager::kInputEncodings, encodings_list.release());
 
   std::unique_ptr<base::ListValue> alternate_url_list(new base::ListValue());
   if (!alternate_url.empty())
-    alternate_url_list->Append(new base::StringValue(alternate_url));
+    alternate_url_list->AppendString(alternate_url);
   value->Set(DefaultSearchManager::kAlternateURLs,
              alternate_url_list.release());
   return value;
 }