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

tools/json_schema_compiler/test/choices_unittest.cc

Index: tools/json_schema_compiler/test/choices_unittest.cc
diff --git a/tools/json_schema_compiler/test/choices_unittest.cc b/tools/json_schema_compiler/test/choices_unittest.cc
index 608ece981f1a294cf6ab7d3dc6c6ffac93112d53..e96268d54f60f50e53ad9f5fd32eae96ec22a14c 100644
--- a/tools/json_schema_compiler/test/choices_unittest.cc
+++ b/tools/json_schema_compiler/test/choices_unittest.cc
@@ -115,7 +115,7 @@ TEST(JsonSchemaCompilerChoicesTest, PopulateChoiceType) {
 
   base::ListValue* strings_value = new base::ListValue();
   for (size_t i = 0; i < strings.size(); ++i)
-    strings_value->Append(new base::StringValue(strings[i]));
+    strings_value->AppendString(strings[i]);
 
   base::DictionaryValue value;
   value.SetInteger("integers", 4);
@@ -134,9 +134,9 @@ TEST(JsonSchemaCompilerChoicesTest, PopulateChoiceType) {
 
 TEST(JsonSchemaCompilerChoicesTest, ChoiceTypeToValue) {
   base::ListValue* strings_value = new base::ListValue();
-  strings_value->Append(new base::StringValue("list"));
-  strings_value->Append(new base::StringValue("of"));
-  strings_value->Append(new base::StringValue("strings"));
+  strings_value->AppendString("list");
+  strings_value->AppendString("of");
+  strings_value->AppendString("strings");
 
   base::DictionaryValue value;
   value.SetInteger("integers", 5);