Merge GlobalObject with JSGlobalObject.

src/ic/handler-compiler.cc

Index: src/ic/handler-compiler.cc
diff --git a/src/ic/handler-compiler.cc b/src/ic/handler-compiler.cc
index 077a3a9a6d7e2d0043291a7ee7d890e7d2079263..98006792cb029ebb986f31039f9e340fb6f3f8e7 100644
--- a/src/ic/handler-compiler.cc
+++ b/src/ic/handler-compiler.cc
@@ -58,7 +58,7 @@ Handle<Code> NamedLoadHandlerCompiler::ComputeLoadNonexistent(
       cache_name = name;
       JSReceiver* prototype = JSReceiver::cast(current_map->prototype());
       if (!prototype->map()->is_hidden_prototype() &&
-          !prototype->map()->IsGlobalObjectMap()) {
+          !prototype->map()->IsJSGlobalObjectMap()) {
         break;
       }
     }