All strong mode cleaning of dart2js.

pkg/compiler/lib/src/js_emitter/startup_emitter/fragment_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.
 
 part of dart2js.js_emitter.startup_emitter.model_emitter;
 
 /// The name of the property that stores the tear-off getter on a static
 /// function.
 ///
 /// This property is only used when isolates are used.
@@ skipping 1242 matching lines @@
   /// to the list of generated fragments that must be installed when the
   /// deferred library is loaded.
   Iterable<js.Property> emitEmbeddedGlobalsForDeferredLoading(
       Map<String, List<Fragment>> loadMap,
       Map<DeferredFragment, _DeferredFragmentHash> deferredLoadHashes) {
     if (loadMap.isEmpty) return [];
 
     List<js.Property> globals = <js.Property>[];
 
     js.ArrayInitializer fragmentUris(List<Fragment> fragments) {
-      return js.stringArray(fragments.map((DeferredFragment fragment) =>
+      return js.stringArray(fragments.map((Fragment fragment) =>
           "${fragment.outputFileName}.${ModelEmitter.deferredExtension}"));
     }
 
     js.ArrayInitializer fragmentHashes(List<Fragment> fragments) {
       return new js.ArrayInitializer(fragments
           .map((fragment) => deferredLoadHashes[fragment])
           .toList(growable: false));
     }
 
     List<js.Property> uris = new List<js.Property>(loadMap.length);
@@ skipping 279 matching lines @@
     }
     statements.add(js.js.statement("setOrUpdateInterceptorsByTag(#);",
         js.objectLiteral(interceptorsByTag)));
     statements.add(
         js.js.statement("setOrUpdateLeafTags(#);", js.objectLiteral(leafTags)));
     statements.addAll(subclassAssignments);
 
     return wrapPhase('nativeSupport', statements);
   }
 }