Revert "Pass undefined to JS builtins when called with implicit receiver."

src/hydrogen.cc

Index: src/hydrogen.cc
diff --git a/src/hydrogen.cc b/src/hydrogen.cc
index 8d8ef9e4ea919fafa6e30b18fc0c31cdb20b5fcf..bd370e4eede7460cc5032b28456dacae1e2efcd1 100644
--- a/src/hydrogen.cc
+++ b/src/hydrogen.cc
@@ -5906,11 +5906,10 @@ HEnvironment* HEnvironment::CopyForInlining(
       inner->SetValueAt(i, push);
     }
   }
-  // If the function we are inlining is a strict mode function or a
-  // builtin function, pass undefined as the receiver for function
-  // calls (instead of the global receiver).
-  if ((target->shared()->native() || function->strict_mode()) &&
-      call_kind == CALL_AS_FUNCTION) {
+  // If the function we are inlining is a strict mode function, pass
+  // undefined as the receiver for function calls (instead of the
+  // global receiver).
+  if (function->strict_mode() && call_kind == CALL_AS_FUNCTION) {
     inner->SetValueAt(0, undefined);
   }
   inner->SetValueAt(arity + 1, outer->LookupContext());