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

chrome/browser/extensions/api/declarative_webrequest/webrequest_rules_registry_unittest.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 "extensions/browser/api/declarative_webrequest/webrequest_rules_registry.h"
 
 #include <stddef.h>
 
 #include <memory>
 #include <string>
@@ skipping 82 matching lines @@
 
   void TearDown() override {
     // Make sure that deletion traits of all registries are executed.
     message_loop_.RunUntilIdle();
   }
 
   // Returns a rule that roughly matches http://*.example.com and
   // https://www.example.com and cancels it
   linked_ptr<api::events::Rule> CreateRule1() {
     base::ListValue* scheme_http = new base::ListValue();
-    scheme_http->Append(new base::StringValue("http"));
+    scheme_http->AppendString("http");
     base::DictionaryValue* http_condition_dict = new base::DictionaryValue();
     http_condition_dict->Set(keys2::kSchemesKey, scheme_http);
     http_condition_dict->SetString(keys2::kHostSuffixKey, "example.com");
     base::DictionaryValue http_condition_url_filter;
     http_condition_url_filter.Set(keys::kUrlKey, http_condition_dict);
     http_condition_url_filter.SetString(keys::kInstanceTypeKey,
                                         keys::kRequestMatcherType);
 
     base::ListValue* scheme_https = new base::ListValue();
-    scheme_http->Append(new base::StringValue("https"));
+    scheme_http->AppendString("https");
     base::DictionaryValue* https_condition_dict = new base::DictionaryValue();
     https_condition_dict->Set(keys2::kSchemesKey, scheme_https);
     https_condition_dict->SetString(keys2::kHostSuffixKey, "example.com");
     https_condition_dict->SetString(keys2::kHostPrefixKey, "www");
     base::DictionaryValue https_condition_url_filter;
     https_condition_url_filter.Set(keys::kUrlKey, https_condition_dict);
     https_condition_url_filter.SetString(keys::kInstanceTypeKey,
                                          keys::kRequestMatcherType);
 
     base::DictionaryValue action_dict;
@@ skipping 685 matching lines @@
   // This is a correct match.
   GURL url2("http://foo.com/index.html");
   std::unique_ptr<net::URLRequest> request2(
       context.CreateRequest(url2, net::DEFAULT_PRIORITY, NULL));
   WebRequestData request_data2(request2.get(), ON_BEFORE_REQUEST);
   deltas = registry->CreateDeltas(NULL, request_data2, false);
   EXPECT_EQ(1u, deltas.size());
 }
 
 }  // namespace extensions