Switch ddc to use @JS instead of @JSName

lib/src/utils.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.
 
 /// Holds a couple utility functions used at various places in the system.
 library dev_compiler.src.utils;
 
 import 'dart:io';
 
 import 'package:path/path.dart' as path;
@@ skipping 312 matching lines @@
   }
 
   return path.relative(resourceUri.path, from: entryDir);
 }
 
 /// Given an annotated [node] and a [test] function, returns the first matching
 /// constant valued annotation.
 ///
 /// For example if we had the ClassDeclaration node for `FontElement`:
 ///
-///    @JsName('HTMLFontElement')
+///    @js.JS('HTMLFontElement')
 ///    @deprecated
 ///    class FontElement { ... }
 ///
 /// We could match `@deprecated` with a test function like:
 ///
 ///    (v) => v.type.name == 'Deprecated' && v.type.element.library.isDartCore
 ///
 DartObject findAnnotation(Element element, bool test(DartObject value)) {
   for (var metadata in element.metadata) {
     var value = metadata.constantValue;
@@ skipping 76 matching lines @@
   }
 }
 
 bool isInlineJS(Element e) => e is FunctionElement &&
     e.library.source.uri.toString() == 'dart:_foreign_helper' &&
     e.name == 'JS';
 
 bool isDartMathMinMax(Element e) => e is FunctionElement &&
     e.library.source.uri.toString() == 'dart:math' &&
     (e.name == 'min' || e.name == 'max');