Pass data objects directly to NativeEmitter

pkg/compiler/lib/src/js_emitter/startup_emitter/emitter.dart

Index: pkg/compiler/lib/src/js_emitter/startup_emitter/emitter.dart
diff --git a/pkg/compiler/lib/src/js_emitter/startup_emitter/emitter.dart b/pkg/compiler/lib/src/js_emitter/startup_emitter/emitter.dart
index 407979d7d0f4ea86057622c2eb6aa77f4c442f50..bc3bfb91d2b378288760e56ee439b4b2584129a1 100644
--- a/pkg/compiler/lib/src/js_emitter/startup_emitter/emitter.dart
+++ b/pkg/compiler/lib/src/js_emitter/startup_emitter/emitter.dart
@@ -15,6 +15,7 @@ import '../../elements/elements.dart'
     show ClassElement, Element, FieldElement, MethodElement;
 import '../../js/js.dart' as js;
 import '../../js_backend/js_backend.dart' show JavaScriptBackend, Namer;
+import '../../js_backend/interceptor_data.dart';
 import '../../world.dart' show ClosedWorld;
 import '../js_emitter.dart' show CodeEmitterTask, NativeEmitter;
 import '../js_emitter.dart' as emitterTask show Emitter, EmitterFactory;
@@ -33,8 +34,8 @@ class EmitterFactory implements emitterTask.EmitterFactory {
   @override
   Emitter createEmitter(
       CodeEmitterTask task, Namer namer, ClosedWorld closedWorld) {
-    return new Emitter(
-        task.compiler, namer, task.nativeEmitter, generateSourceMap);
+    return new Emitter(task.compiler, namer, task.nativeEmitter,
+        closedWorld.interceptorData, generateSourceMap);
   }
 }
 
@@ -46,11 +47,11 @@ class Emitter implements emitterTask.Emitter {
   JavaScriptBackend get _backend => _compiler.backend;
 
   Emitter(Compiler compiler, Namer namer, NativeEmitter nativeEmitter,
-      bool shouldGenerateSourceMap)
+      InterceptorData interceptorData, bool shouldGenerateSourceMap)
       : this._compiler = compiler,
         this.namer = namer,
-        _emitter = new ModelEmitter(
-            compiler, namer, nativeEmitter, shouldGenerateSourceMap);
+        _emitter = new ModelEmitter(compiler, namer, nativeEmitter,
+            interceptorData, shouldGenerateSourceMap);
 
   DiagnosticReporter get reporter => _compiler.reporter;