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

extensions/renderer/event_bindings.cc

Index: extensions/renderer/event_bindings.cc
diff --git a/extensions/renderer/event_bindings.cc b/extensions/renderer/event_bindings.cc
index df1de04e8912235560ff186d8f3b7173df02b307..e65d8242ff04a3190d85a34b5f3d325e4920ef93 100644
--- a/extensions/renderer/event_bindings.cc
+++ b/extensions/renderer/event_bindings.cc
@@ -264,7 +264,7 @@ void EventBindings::AttachFilteredEvent(
         content::V8ValueConverter::create());
     std::unique_ptr<base::Value> filter_value(converter->FromV8Value(
         v8::Local<v8::Object>::Cast(args[1]), context()->v8_context()));
-    if (!filter_value || !filter_value->IsType(base::Value::TYPE_DICTIONARY)) {
+    if (!filter_value || !filter_value->IsType(base::Value::Type::DICTIONARY)) {
       args.GetReturnValue().Set(static_cast<int32_t>(-1));
       return;
     }