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

extensions/renderer/send_request_natives.cc

Index: extensions/renderer/send_request_natives.cc
diff --git a/extensions/renderer/send_request_natives.cc b/extensions/renderer/send_request_natives.cc
index c27b533278ac3427f7db8bc17ca51d9bc8d67542..4a3281417e0bc64d0c6222cf236ac95a850acc47 100644
--- a/extensions/renderer/send_request_natives.cc
+++ b/extensions/renderer/send_request_natives.cc
@@ -53,7 +53,7 @@ void SendRequestNatives::StartRequest(
 
   std::unique_ptr<base::Value> value_args(
       converter->FromV8Value(args[1], context()->v8_context()));
-  if (!value_args.get() || !value_args->IsType(base::Value::TYPE_LIST)) {
+  if (!value_args.get() || !value_args->IsType(base::Value::Type::LIST)) {
     NOTREACHED() << "Unable to convert args passed to StartRequest";
     return;
   }