[compiler] Remove is_native and is_eval accessors.

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 88196f6605d5e6e22ca90e032268ba2c94827b29..36a0ecea8dcaba5dbf79d390e13a4eda544b9e73 100644
--- a/src/compiler/ast-graph-builder.cc
+++ b/src/compiler/ast-graph-builder.cc
@@ -2951,9 +2951,7 @@ void AstGraphBuilder::VisitDeclarations(ZoneList<Declaration*>* declarations) {
   Handle<FixedArray> data = isolate()->factory()->NewFixedArray(
       static_cast<int>(globals()->size()), TENURED);
   for (Handle<Object> obj : *globals()) data->set(array_index++, *obj);
-  int encoded_flags = DeclareGlobalsEvalFlag::encode(info()->is_eval()) |
-                      DeclareGlobalsNativeFlag::encode(info()->is_native()) |
-                      DeclareGlobalsLanguageMode::encode(language_mode());
+  int encoded_flags = info()->GetDeclareGlobalsFlags();
   Node* flags = jsgraph()->Constant(encoded_flags);
   Node* pairs = jsgraph()->Constant(data);
   const Operator* op = javascript()->CallRuntime(Runtime::kDeclareGlobals);