Merge GlobalObject with JSGlobalObject.

src/compiler/ast-graph-builder.cc

Index: src/compiler/ast-graph-builder.cc
diff --git a/src/compiler/ast-graph-builder.cc b/src/compiler/ast-graph-builder.cc
index fd28e7f624181ae95abe5cd2fe4c45c312351560..213bc52b58965cb5f66d970402a5f38433f59734 100644
--- a/src/compiler/ast-graph-builder.cc
+++ b/src/compiler/ast-graph-builder.cc
@@ -3705,7 +3705,7 @@ Node* AstGraphBuilder::BuildLoadGlobalObject() {
 Node* AstGraphBuilder::BuildLoadNativeContextField(int index) {
   Node* global = BuildLoadGlobalObject();
   Node* native_context =
-      BuildLoadObjectField(global, GlobalObject::kNativeContextOffset);
+      BuildLoadObjectField(global, JSGlobalObject::kNativeContextOffset);
   return NewNode(javascript()->LoadContext(0, index, true), native_context);
 }