c/b/extensions, json_schema_compiler: Do not use Value::Create*.

chrome/browser/extensions/api/storage/settings_frontend.cc

Index: chrome/browser/extensions/api/storage/settings_frontend.cc
diff --git a/chrome/browser/extensions/api/storage/settings_frontend.cc b/chrome/browser/extensions/api/storage/settings_frontend.cc
index a14ed698d9d5b5b842931cdcd701597d2ee44048..05dc82d4b1a0b8bf26a252b1ab1083f426ad74c0 100644
--- a/chrome/browser/extensions/api/storage/settings_frontend.cc
+++ b/chrome/browser/extensions/api/storage/settings_frontend.cc
@@ -46,7 +46,7 @@ class DefaultObserver : public SettingsObserver {
     // string-based event payloads is removed. http://crbug.com/136045
     scoped_ptr<base::ListValue> args(new base::ListValue());
     args->Append(base::JSONReader::Read(change_json));
-    args->Append(Value::CreateStringValue(settings_namespace::ToString(
+    args->Append(new base::StringValue(settings_namespace::ToString(
         settings_namespace)));
     scoped_ptr<Event> event(new Event(
         event_names::kOnSettingsChanged, args.Pass()));