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

extensions/browser/api/cast_channel/cast_message_util.cc

Index: extensions/browser/api/cast_channel/cast_message_util.cc
diff --git a/extensions/browser/api/cast_channel/cast_message_util.cc b/extensions/browser/api/cast_channel/cast_message_util.cc
index 84af993e4bc6a236937f10542e556c0435baa71f..c5166ebcfe58df3b2caaff09b40fdb8a152ef3f9 100644
--- a/extensions/browser/api/cast_channel/cast_message_util.cc
+++ b/extensions/browser/api/cast_channel/cast_message_util.cc
@@ -40,14 +40,14 @@ bool MessageInfoToCastMessage(const MessageInfo& message,
   base::BinaryValue* real_value;
   switch (message.data->GetType()) {
     // JS string
-    case base::Value::TYPE_STRING:
+    case base::Value::Type::STRING:
       if (message.data->GetAsString(&data)) {
         message_proto->set_payload_type(CastMessage_PayloadType_STRING);
         message_proto->set_payload_utf8(data);
       }
       break;
     // JS ArrayBuffer
-    case base::Value::TYPE_BINARY:
+    case base::Value::Type::BINARY:
       real_value = static_cast<base::BinaryValue*>(message.data.get());
       if (real_value->GetBuffer()) {
         message_proto->set_payload_type(CastMessage_PayloadType_BINARY);