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

remoting/host/host_config.cc

Index: remoting/host/host_config.cc
diff --git a/remoting/host/host_config.cc b/remoting/host/host_config.cc
index 95b66e283737c0d817cb4ef8978411e9bebfa5b9..db6ec9ab14fb74f5b64e28e8829b9bbe4612151c 100644
--- a/remoting/host/host_config.cc
+++ b/remoting/host/host_config.cc
@@ -17,7 +17,7 @@ std::unique_ptr<base::DictionaryValue> HostConfigFromJson(
     const std::string& json) {
   std::unique_ptr<base::Value> value =
       base::JSONReader::Read(json, base::JSON_ALLOW_TRAILING_COMMAS);
-  if (!value || !value->IsType(base::Value::TYPE_DICTIONARY)) {
+  if (!value || !value->IsType(base::Value::Type::DICTIONARY)) {
     LOG(WARNING) << "Failed to parse host config from JSON";
     return nullptr;
   }