[strong] Refactor ObjectStrength into a replacement for strong boolean args

src/code-factory.h

Index: src/code-factory.h
diff --git a/src/code-factory.h b/src/code-factory.h
index 156c1f820fcc77196df2604c08c8ca1b260726db..e26fc092fa6e647ce59faf70cd2c86a534b70e23 100644
--- a/src/code-factory.h
+++ b/src/code-factory.h
@@ -49,10 +49,10 @@ class CodeFactory final {
       InlineCacheState initialization_state);
 
   static Callable CompareIC(Isolate* isolate, Token::Value op,
-                            LanguageMode language_mode);
+                            Strength strength);
 
   static Callable BinaryOpIC(Isolate* isolate, Token::Value op,
-                             LanguageMode language_mode);
+                             Strength strength);
 
   // Code stubs. Add methods here as needed to reduce dependency on
   // code-stubs.h.