Move nativeInfo encoding into NativeGenerator.

pkg/compiler/lib/src/js_emitter/new_emitter/model_emitter.dart

 // Copyright (c) 2014, 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.new_js_emitter.model_emitter;
 
 import '../../constants/values.dart' show ConstantValue, FunctionConstantValue;
 import '../../dart2jslib.dart' show Compiler;
 import '../../elements/elements.dart' show ClassElement, FunctionElement;
 import '../../js/js.dart' as js;
@@ skipping 235 matching lines @@
 
     js.Expression nativeInfoAccess = js.js('nativeInfo', []);
     js.Expression constructorAccess = js.js('constructor', []);
     Function subclassReadGenerator = (js.Expression subclass) {
       return js.js('holdersMap[#][#].ensureResolved()', [subclass, subclass]);
     };
     js.Expression interceptorsByTagAccess =
         generateEmbeddedGlobalAccess(INTERCEPTORS_BY_TAG);
     js.Expression leafTagsAccess =
         generateEmbeddedGlobalAccess(LEAF_TAGS);
-    js.Statement nativeInfoHandler = nativeEmitter.buildNativeInfoHandler(
+    NativeGenerator generator = new NativeGenerator();
+    js.Statement nativeInfoHandler = generator.buildNativeInfoHandler(
         nativeInfoAccess,
         constructorAccess,
         subclassReadGenerator,
         interceptorsByTagAccess,
         leafTagsAccess);
 
     nativeHoles['needsNativeSupport'] = program.needsNativeSupport;
     nativeHoles['needsNoNativeSupport'] = !program.needsNativeSupport;
     nativeHoles['nativeInfoHandler'] = nativeInfoHandler;
 
@@ skipping 317 matching lines @@
       "   [name, class-code, holder-index], or "
       "   [name, class-code, native-info, holder-index].";
 
   js.Expression emitLibrary(Library library) {
     Iterable staticDescriptors = library.statics.expand(emitStaticMethod);
 
     Iterable classDescriptors = library.classes.expand((Class cls) {
       js.Literal name = js.quoteName(cls.name);
       js.LiteralNumber holderIndex = js.number(cls.holder.index);
       js.Expression emittedClass = emitClass(cls);
-      if (cls.nativeInfo == null) {
+      js.Expression nativeInfo = new NativeGenerator.encodeNativeInfo(cls);
+      if (nativeInfo == null) {
         return [name, emittedClass, holderIndex];
       } else {
-        return [name, emittedClass, cls.nativeInfo, holderIndex];
+        return [name, emittedClass, nativeInfo, holderIndex];
       }
     });
 
     js.Expression staticArray =
         new js.ArrayInitializer(staticDescriptors.toList(growable: false));
     js.Expression classArray =
         new js.ArrayInitializer(classDescriptors.toList(growable: false));
 
     return new js.ArrayInitializer([staticArray, classArray]);
   }
@@ skipping 629 matching lines @@
 
   var end = Date.now();
   // print('Setup: ' + (end - start) + ' ms.');
 
   #invokeMain;  // Start main.
 
 })(Date.now(), #code)
 }""";
 
 }