MIPS: Clean up the global object naming madness.

src/mips/lithium-codegen-mips.cc

Index: src/mips/lithium-codegen-mips.cc
diff --git a/src/mips/lithium-codegen-mips.cc b/src/mips/lithium-codegen-mips.cc
index d82033f875c6f3f63e6368caeee418cc6cf7daf8..bb8eb84905d23c3608b838676c6af5150ad8d79d 100644
--- a/src/mips/lithium-codegen-mips.cc
+++ b/src/mips/lithium-codegen-mips.cc
@@ -152,7 +152,7 @@ bool LCodeGen::GeneratePrologue() {
       __ Branch(&ok, ne, a2, Operand(at));
 
       __ lw(a2, GlobalObjectOperand());
-      __ lw(a2, FieldMemOperand(a2, GlobalObject::kGlobalReceiverOffset));
+      __ lw(a2, FieldMemOperand(a2, GlobalObject::kGlobalProxyOffset));
 
       __ sw(a2, MemOperand(sp, receiver_offset));
 
@@ -3425,7 +3425,7 @@ void LCodeGen::DoWrapReceiver(LWrapReceiver* instr) {
   __ lw(result,
         ContextOperand(result, Context::GLOBAL_OBJECT_INDEX));
   __ lw(result,
-        FieldMemOperand(result, GlobalObject::kGlobalReceiverOffset));
+        FieldMemOperand(result, GlobalObject::kGlobalProxyOffset));
 
   if (result.is(receiver)) {
     __ bind(&result_in_receiver);