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

tools/json_schema_compiler/test/additional_properties_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 "tools/json_schema_compiler/test/additional_properties.h"
 
 #include <memory>
 
 #include "testing/gtest/include/gtest/gtest.h"
 
 using namespace test::api::additional_properties;
 
 TEST(JsonSchemaCompilerAdditionalPropertiesTest,
     AdditionalPropertiesTypePopulate) {
   {
     std::unique_ptr<base::ListValue> list_value(new base::ListValue());
-    list_value->Append(new base::StringValue("asdf"));
-    list_value->Append(new base::FundamentalValue(4));
+    list_value->AppendString("asdf");
+    list_value->AppendInteger(4);
     std::unique_ptr<base::DictionaryValue> type_value(
         new base::DictionaryValue());
     type_value->SetString("string", "value");
     type_value->SetInteger("other", 9);
     type_value->Set("another", list_value.release());
     std::unique_ptr<AdditionalPropertiesType> type(
         new AdditionalPropertiesType());
     ASSERT_TRUE(AdditionalPropertiesType::Populate(*type_value, type.get()));
     EXPECT_TRUE(type->additional_properties.Equals(type_value.get()));
   }
@@ skipping 33 matching lines @@
     base::DictionaryValue* dict = new base::DictionaryValue();
     dict->SetInteger("integer", 5);
     dict->SetString("key", "value");
     expected.Append(dict);
   }
 
   EXPECT_TRUE(base::Value::Equals(
       ReturnAdditionalProperties::Results::Create(result_object).get(),
       &expected));
 }