Merge GlobalObject with JSGlobalObject.

src/ppc/builtins-ppc.cc

Index: src/ppc/builtins-ppc.cc
diff --git a/src/ppc/builtins-ppc.cc b/src/ppc/builtins-ppc.cc
index bc012c384b1982de9487fcff0c56ac0075685801..881cffb57513e85aa4e6ca00f1125508a8953363 100644
--- a/src/ppc/builtins-ppc.cc
+++ b/src/ppc/builtins-ppc.cc
@@ -79,7 +79,8 @@ static void GenerateLoadInternalArrayFunction(MacroAssembler* masm,
 
   __ LoadP(result,
            MemOperand(cp, Context::SlotOffset(Context::GLOBAL_OBJECT_INDEX)));
-  __ LoadP(result, FieldMemOperand(result, GlobalObject::kNativeContextOffset));
+  __ LoadP(result,
+           FieldMemOperand(result, JSGlobalObject::kNativeContextOffset));
   // Load the InternalArray function from the native context.
   __ LoadP(result,
            MemOperand(result, Context::SlotOffset(
@@ -93,7 +94,8 @@ static void GenerateLoadArrayFunction(MacroAssembler* masm, Register result) {
 
   __ LoadP(result,
            MemOperand(cp, Context::SlotOffset(Context::GLOBAL_OBJECT_INDEX)));
-  __ LoadP(result, FieldMemOperand(result, GlobalObject::kNativeContextOffset));
+  __ LoadP(result,
+           FieldMemOperand(result, JSGlobalObject::kNativeContextOffset));
   // Load the Array function from the native context.
   __ LoadP(
       result,