[turbofan] Add binary operation hints for javascript operators.

src/ic/ic-state.h

Index: src/ic/ic-state.h
diff --git a/src/ic/ic-state.h b/src/ic/ic-state.h
index ebc686b7383bab3b6f2cba261b2038b2cb9e8405..bb1d7dc2f4e396cba4d7b86c29e641e54fa7b9ef 100644
--- a/src/ic/ic-state.h
+++ b/src/ic/ic-state.h
@@ -120,9 +120,9 @@ class BinaryOpICState final BASE_EMBEDDED {
   Token::Value op() const { return op_; }
   Maybe<int> fixed_right_arg() const { return fixed_right_arg_; }
 
-  Type* GetLeftType(Zone* zone) const { return KindToType(left_kind_, zone); }
-  Type* GetRightType(Zone* zone) const { return KindToType(right_kind_, zone); }
-  Type* GetResultType(Zone* zone) const;
+  Type* GetLeftType() const { return KindToType(left_kind_); }
+  Type* GetRightType() const { return KindToType(right_kind_); }
+  Type* GetResultType() const;
 
   void Update(Handle<Object> left, Handle<Object> right, Handle<Object> result);
 
@@ -136,7 +136,7 @@ class BinaryOpICState final BASE_EMBEDDED {
   Kind UpdateKind(Handle<Object> object, Kind kind) const;
 
   static const char* KindToString(Kind kind);
-  static Type* KindToType(Kind kind, Zone* zone);
+  static Type* KindToType(Kind kind);
   static bool KindMaybeSmi(Kind kind) {
     return (kind >= SMI && kind <= NUMBER) || kind == GENERIC;
   }