Move dart2js from sdk/lib/_internal/compiler to pkg/compiler

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 '../../dart2jslib.dart' show Compiler;
 import '../../js/js.dart' as js;
 import '../../js_backend/js_backend.dart' show
     JavaScriptBackend,
     Namer,
     ConstantEmitter;
 
-import '../../../js_lib/shared/embedded_names.dart' show
+import 'package:_internal/compiler/js_lib/shared/embedded_names.dart' show
     DEFERRED_LIBRARY_URIS,
     DEFERRED_LIBRARY_HASHES,
     INITIALIZE_LOADED_HUNK,
     IS_HUNK_LOADED;
 
 import '../model.dart';
 
 class ModelEmitter {
   final Compiler compiler;
   final Namer namer;
@@ skipping 464 matching lines @@
   // Initialize eager classes.
   #;
 
   var end = Date.now();
   print('Setup: ' + (end - start) + ' ms.');
 
   if (true) #();  // Start main.
 
 }(Date.now(), #)
 }""";