Merge GlobalObject with JSGlobalObject.

src/mips/builtins-mips.cc

Index: src/mips/builtins-mips.cc
diff --git a/src/mips/builtins-mips.cc b/src/mips/builtins-mips.cc
index 712ba8c2bb7284ac0924d1540811d6fb05b99b01..ea932e40f22ca0ca5af4600eaeaac91c93bc6f11 100644
--- a/src/mips/builtins-mips.cc
+++ b/src/mips/builtins-mips.cc
@@ -77,8 +77,7 @@ static void GenerateLoadInternalArrayFunction(MacroAssembler* masm,
 
   __ lw(result,
         MemOperand(cp, Context::SlotOffset(Context::GLOBAL_OBJECT_INDEX)));
-  __ lw(result,
-        FieldMemOperand(result, GlobalObject::kNativeContextOffset));
+  __ lw(result, FieldMemOperand(result, JSGlobalObject::kNativeContextOffset));
   // Load the InternalArray function from the native context.
   __ lw(result,
          MemOperand(result,
@@ -93,8 +92,7 @@ static void GenerateLoadArrayFunction(MacroAssembler* masm, Register result) {
 
   __ lw(result,
         MemOperand(cp, Context::SlotOffset(Context::GLOBAL_OBJECT_INDEX)));
-  __ lw(result,
-        FieldMemOperand(result, GlobalObject::kNativeContextOffset));
+  __ lw(result, FieldMemOperand(result, JSGlobalObject::kNativeContextOffset));
   // Load the Array function from the native context.
   __ lw(result,
         MemOperand(result,