Move native and js interop properties from the element model to the JS backend

pkg/compiler/lib/src/parser/element_listener.dart

Index: pkg/compiler/lib/src/parser/element_listener.dart
diff --git a/pkg/compiler/lib/src/parser/element_listener.dart b/pkg/compiler/lib/src/parser/element_listener.dart
index 94da7df08af7ae5cac8a16827184f56159c47906..00a9cfb60baec5a3864fed1a1f7de432541cbd73 100644
--- a/pkg/compiler/lib/src/parser/element_listener.dart
+++ b/pkg/compiler/lib/src/parser/element_listener.dart
@@ -54,6 +54,12 @@ import 'listener.dart' show
 
 typedef int IdGenerator();
 
+class ScannerOptions {

[sigurdm, 2015/10/21 10:28:28]

Could use a doc-string

[Johnni Winther, 2015/10/22 09:06:03]

Done.

+  final bool canUseNative;
+
+  const ScannerOptions({this.canUseNative: false});
+}
+
 /**
  * A parser event listener designed to work with [PartialParser]. It
  * builds elements representing the top-level declarations found in
@@ -63,6 +69,7 @@ typedef int IdGenerator();
 class ElementListener extends Listener {
   final IdGenerator idGenerator;
   final DiagnosticReporter reporter;
+  final ScannerOptions scannerOptions;
   final CompilationUnitElementX compilationUnitElement;
   final StringValidator stringValidator;
   Link<StringQuoting> interpolationScope;
@@ -84,6 +91,7 @@ class ElementListener extends Listener {
   bool suppressParseErrors = false;
 
   ElementListener(
+      this.scannerOptions,
       DiagnosticReporter reporter,
       this.compilationUnitElement,
       this.idGenerator)