Remove js.ArrayElement.

pkg/compiler/lib/src/js_emitter/old_emitter/metadata_emitter.dart

 // Copyright (c) 2013, 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;
 
 class MetadataEmitter extends CodeEmitterHelper {
   /// A list of JS expressions that represent metadata, parameter names and
   /// type, and return types.
   final List<String> globalMetadata = [];
 
   /// A map used to canonicalize the entries of globalMetadata.
   final Map<String, int> globalMetadataMap = <String, int>{};
 
   bool mustEmitMetadataFor(Element element) {
     return backend.mustRetainMetadata &&
         backend.referencedFromMirrorSystem(element);
   }
 
   /// The metadata function returns the metadata associated with
   /// [element] in generated code.  The metadata needs to be wrapped
   /// in a function as it refers to constants that may not have been
   /// constructed yet.  For example, a class is allowed to be
   /// annotated with itself.  The metadata function is used by
   /// mirrors_patch to implement DeclarationMirror.metadata.
   jsAst.Fun buildMetadataFunction(Element element) {
     if (!mustEmitMetadataFor(element)) return null;
     return compiler.withCurrentElement(element, () {
-      var metadata = [];
+      List<jsAst.Expression> metadata = <jsAst.Expression>[];
       Link link = element.metadata;
       // TODO(ahe): Why is metadata sometimes null?
       if (link != null) {
         for (; !link.isEmpty; link = link.tail) {
           MetadataAnnotation annotation = link.head;
           ConstantExpression constant =
               backend.constants.getConstantForMetadata(annotation);
           if (constant == null) {
             compiler.internalError(annotation, 'Annotation value is null.');
           } else {
             metadata.add(emitter.constantReference(constant.value));
           }
         }
       }
       if (metadata.isEmpty) return null;
       return js('function() { return # }',
-          new jsAst.ArrayInitializer.from(metadata));
+          new jsAst.ArrayInitializer(metadata));
     });
   }
 
   List<int> reifyDefaultArguments(FunctionElement function) {
     FunctionSignature signature = function.functionSignature;
     if (signature.optionalParameterCount == 0) return const [];
     List<int> defaultValues = <int>[];
     for (ParameterElement element in signature.optionalParameters) {
       ConstantExpression constant =
           backend.constants.getConstantForVariable(element);
@@ skipping 71 matching lines @@
       // TODO(ahe): Why is metadata sometimes null?
       if (link != null) {
         for (; !link.isEmpty; link = link.tail) {
           metadata.add(reifyMetadata(link.head));
         }
       }
       return metadata;
     });
   }
 }