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

net/test/spawned_test_server/base_test_server.cc

Index: net/test/spawned_test_server/base_test_server.cc
diff --git a/net/test/spawned_test_server/base_test_server.cc b/net/test/spawned_test_server/base_test_server.cc
index a8f7df929c553a674fda61f3f9336aeb086e9193..c3ffc07bc58e88a53864ffe4d5e2c48f3b2497e3 100644
--- a/net/test/spawned_test_server/base_test_server.cc
+++ b/net/test/spawned_test_server/base_test_server.cc
@@ -482,7 +482,7 @@ bool BaseTestServer::ParseServerData(const std::string& server_data) {
   VLOG(1) << "Server data: " << server_data;
   base::JSONReader json_reader;
   std::unique_ptr<base::Value> value(json_reader.ReadToValue(server_data));
-  if (!value.get() || !value->IsType(base::Value::TYPE_DICTIONARY)) {
+  if (!value.get() || !value->IsType(base::Value::Type::DICTIONARY)) {
     LOG(ERROR) << "Could not parse server data: "
                << json_reader.GetErrorMessage();
     return false;