Pass data objects directly to NativeEmitter

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

 // Copyright (c) 2015, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library dart2js.js_emitter.startup_emitter;
 
 import 'package:js_runtime/shared/embedded_names.dart'
     show JsBuiltin, METADATA, STATIC_FUNCTION_NAME_TO_CLOSURE, TYPES;
 
 import '../../common.dart';
 import '../../compiler.dart' show Compiler;
 import '../../constants/values.dart' show ConstantValue;
 import '../../deferred_load.dart' show OutputUnit;
 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;
 import '../model.dart';
 import '../program_builder/program_builder.dart' show ProgramBuilder;
 import 'model_emitter.dart';
 
 class EmitterFactory implements emitterTask.EmitterFactory {
   final bool generateSourceMap;
 
   EmitterFactory({this.generateSourceMap});
 
   @override
   bool get supportsReflection => false;
 
   @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);
   }
 }
 
 class Emitter implements emitterTask.Emitter {
   final Compiler _compiler;
   final Namer namer;
   final ModelEmitter _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;
 
   @override
   int emitProgram(ProgramBuilder programBuilder) {
     Program program = programBuilder.buildProgram();
     return _emitter.emitProgram(program);
   }
 
   @override
@@ skipping 128 matching lines @@
     }
   }
 
   @override
   int generatedSize(OutputUnit unit) {
     Fragment key = _emitter.outputBuffers.keys
         .firstWhere((Fragment fragment) => fragment.outputUnit == unit);
     return _emitter.outputBuffers[key].length;
   }
 }