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

tools/json_schema_compiler/test/functions_on_types_unittest.cc

Index: tools/json_schema_compiler/test/functions_on_types_unittest.cc
diff --git a/tools/json_schema_compiler/test/functions_on_types_unittest.cc b/tools/json_schema_compiler/test/functions_on_types_unittest.cc
index 273512e2577d733a775214a8c520508019ab4b0f..71674854a495f9289c4053c8826214776bbd3698 100644
--- a/tools/json_schema_compiler/test/functions_on_types_unittest.cc
+++ b/tools/json_schema_compiler/test/functions_on_types_unittest.cc
@@ -18,14 +18,14 @@ TEST(JsonSchemaCompilerFunctionsOnTypesTest, StorageAreaGetParamsCreate) {
   }
   {
     std::unique_ptr<base::ListValue> params_value(new base::ListValue());
-    params_value->Append(new base::FundamentalValue(9));
+    params_value->AppendInteger(9);
     std::unique_ptr<StorageArea::Get::Params> params(
         StorageArea::Get::Params::Create(*params_value));
     EXPECT_FALSE(params);
   }
   {
     std::unique_ptr<base::ListValue> params_value(new base::ListValue());
-    params_value->Append(new base::StringValue("test"));
+    params_value->AppendString("test");
     std::unique_ptr<StorageArea::Get::Params> params(
         StorageArea::Get::Params::Create(*params_value));
     ASSERT_TRUE(params);