Revert of [runtime] Replace global object link with native context link in all contexts.

src/ic/mips/handler-compiler-mips.cc

Index: src/ic/mips/handler-compiler-mips.cc
diff --git a/src/ic/mips/handler-compiler-mips.cc b/src/ic/mips/handler-compiler-mips.cc
index 32a37e9d159594978fbaa2c70b07131d1df283ae..ee8a906ff7956c9048fb003b7a8e3dfbaf2963ec 100644
--- a/src/ic/mips/handler-compiler-mips.cc
+++ b/src/ic/mips/handler-compiler-mips.cc
@@ -167,7 +167,10 @@
 
 void NamedLoadHandlerCompiler::GenerateDirectLoadGlobalFunctionPrototype(
     MacroAssembler* masm, int index, Register result, Label* miss) {
-  __ LoadNativeContextSlot(index, result);
+  const int offset = Context::SlotOffset(Context::GLOBAL_OBJECT_INDEX);
+  __ lw(result, MemOperand(cp, offset));
+  __ lw(result, FieldMemOperand(result, JSGlobalObject::kNativeContextOffset));
+  __ lw(result, MemOperand(result, Context::SlotOffset(index)));
   // Load its initial map. The global functions all have initial maps.
   __ lw(result,
         FieldMemOperand(result, JSFunction::kPrototypeOrInitialMapOffset));