Rewire DDC to use the analyzer task model

tool/input_sdk/lib/js/dart2js/js_dart2js.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.
 
 /**
  * Support for interoperating with JavaScript.
  *
  * This library provides access to JavaScript objects from Dart, allowing
  * Dart code to get and set properties, and call methods of JavaScript objects
  * and invoke JavaScript functions. The library takes care of converting
@@ skipping 171 matching lines @@
 
     return _convert(data);
   }
 
   /**
    * Returns the value associated with [property] from the proxied JavaScript
    * object.
    *
    * The type of [property] must be either [String] or [num].
    */
-  dynamic operator [](property) {
+  dynamic operator [](Object property) {
     if (property is! String && property is! num) {
       throw new ArgumentError("property is not a String or num");
     }
     return _convertToDart(JS('', '#[#]', _jsObject, property));
   }
 
   /**
    * Sets the value associated with [property] on the proxied JavaScript
    * object.
    *
    * The type of [property] must be either [String] or [num].
    */
-  operator []=(property, value) {
+  operator []=(Object property, value) {
     if (property is! String && property is! num) {
       throw new ArgumentError("property is not a String or num");
     }
     JS('', '#[#] = #', _jsObject, property, _convertToJS(value));
   }
 
   int get hashCode => 0;
 
   bool operator ==(other) =>
       other is JsObject && JS('bool', '# === #', _jsObject, other._jsObject);
@@ skipping 126 matching lines @@
     if (start < 0 || start > length) {
       throw new RangeError.range(start, 0, length);
     }
     if (end < start || end > length) {
       throw new RangeError.range(end, start, length);
     }
   }
 
   // Methods required by ListMixin
 
-  E operator [](index) {
+  E operator [](Object index) {
     // TODO(justinfagnani): fix the semantics for non-ints
     // dartbug.com/14605
     if (index is num && index == index.toInt()) {
       _checkIndex(index);
     }
     return super[index];
   }
 
-  void operator []=(index, E value) {
+  void operator []=(Object index, E value) {
     // TODO(justinfagnani): fix the semantics for non-ints
     // dartbug.com/14605
     if (index is num && index == index.toInt()) {
       _checkIndex(index);
     }
     super[index] = value;
   }
 
   int get length {
     // Check the length honours the List contract.
@@ skipping 113 matching lines @@
     var ms = JS('num', '#.getTime()', o);
     return new DateTime.fromMillisecondsSinceEpoch(ms);
   } else if (o is _DartObject &&
              JS('bool', 'dart.jsobject != dart.realRuntimeType(#)', o)) {
     return o._dartObj;
   } else {
     return _putIfAbsent(_dartProxies, o, _wrapToDart);
   }
 }
 
-_wrapToDart(o) {
+JsObject _wrapToDart(o) {
   if (JS('bool', 'typeof # == "function"', o)) {
     return new JsFunction._fromJs(o);
   }
   if (JS('bool', '# instanceof Array', o)) {
     return new JsArray._fromJs(o);
   }
   return new JsObject._fromJs(o);
 }
 
 final _dartProxies = JS('', 'new WeakMap()');
 final _jsProxies = JS('', 'new WeakMap()');
 
 Object _putIfAbsent(weakMap, o, getValue(o)) {
   var value = JS('', '#.get(#)', weakMap, o);
   if (value == null) {
     value = getValue(o);
     JS('', '#.set(#, #)', weakMap, o, value);
   }
   return value;
 }