Make base::Value::TYPE a scoped enum.

components/safe_json/json_sanitizer.cc

Index: components/safe_json/json_sanitizer.cc
diff --git a/components/safe_json/json_sanitizer.cc b/components/safe_json/json_sanitizer.cc
index 3ad634d1dfb2b8cc98744343b4fa57161a93aa33..c88dd883269517fbc1e485c3eace2324f73c438a 100644
--- a/components/safe_json/json_sanitizer.cc
+++ b/components/safe_json/json_sanitizer.cc
@@ -61,7 +61,8 @@ void OopJsonSanitizer::OnParseSuccess(std::unique_ptr<base::Value> value) {
   // A valid JSON document may only have a dictionary or list as its top-level
   // type, but the JSON parser also accepts other types, so we filter them out.
   base::Value::Type type = value->GetType();
-  if (type != base::Value::TYPE_DICTIONARY && type != base::Value::TYPE_LIST) {
+  if (type != base::Value::Type::DICTIONARY &&
+      type != base::Value::Type::LIST) {
     error_callback_.Run("Invalid top-level type");
     return;
   }