Get rid of a few more false positives in count-handwritten-decoders

https://bugs.webkit.org/show_bug.cgi?id=263515
rdar://117335018

Reviewed by Alex Christensen.

* Tools/Scripts/count-handwritten-decoders:

Canonical link: https://commits.webkit.org/269651@main

Tools/Scripts/count-handwritten-decoders

@@ -6,8 +6,8 @@
 cd "$(dirname "$0")/../../Source/"
 
 enumtraits=$(grep -ri "struct EnumTraits<" | wc -l | xargs);
-optionals=$(grep -riE "> decode\((Decoder|IPC::Decoder)" . | grep -v "Scripts/webkit/tests" | grep -v generate-serializers.py | grep -v "WTF/wtf/ArgumentCoder.h" | grep -vi gtk | grep -vi glib | wc -l | xargs);
-bools=$(grep -riE "bool decode\((Decoder|IPC::Decoder)" . | grep -v "Scripts/webkit/tests" | grep -v generate-serializers.py | grep -v "WTF/wtf/ArgumentCoder.h" | grep -vi gtk | grep -vi glib | wc -l | xargs);
+optionals=$(grep -riE "> decode\((Decoder|IPC::Decoder)" . | grep -v "Scripts/webkit/tests" | grep -v generate-serializers.py | grep -v "WTF/wtf/ArgumentCoder.h" | grep -v "JavaScriptCore/runtime/CachedTypes.cpp" | grep -vi gtk | grep -vi glib | wc -l | xargs);
+bools=$(grep -riE "bool decode\((Decoder|IPC::Decoder)" . | grep -v "Scripts/webkit/tests" | grep -v generate-serializers.py | grep -v "WTF/wtf/ArgumentCoder.h" | grep -v "JavaScriptCore/runtime/CachedTypes.cpp" | grep -vi gtk | grep -vi glib | wc -l | xargs);
 
 echo "EnumTraits remaining: $enumtraits"
 echo "Decoders that return std::optional<>: $optionals"