Remove CompilationInfo::MayUseThis() and replace it with what we really want to know: MustReplaceUn…

src/full-codegen/x87/full-codegen-x87.cc

Index: src/full-codegen/x87/full-codegen-x87.cc
diff --git a/src/full-codegen/x87/full-codegen-x87.cc b/src/full-codegen/x87/full-codegen-x87.cc
index e221492bf0a3449b9fd6236171252093cb2a12d5..9e2d95cbff09bbd7deda3f20eb38e48044da5822 100644
--- a/src/full-codegen/x87/full-codegen-x87.cc
+++ b/src/full-codegen/x87/full-codegen-x87.cc
@@ -109,8 +109,7 @@ void FullCodeGenerator::Generate() {
   // Sloppy mode functions and builtins need to replace the receiver with the
   // global proxy when called as functions (without an explicit receiver
   // object).
-  if (is_sloppy(info->language_mode()) && !info->is_native() &&
-      info->MayUseThis()) {
+  if (info->MustReplaceUndefinedReceiverWithGlobalProxy()) {
     Label ok;
     // +1 for return address.
     int receiver_offset = (info->scope()->num_parameters() + 1) * kPointerSize;