Change core lib, dart2js, and more for new optional parameters syntax

lib/compiler/implementation/dart_backend/backend.dart

 // Copyright (c) 2012, 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.
 
 class ElementAst {
   final Node ast;
   final TreeElements treeElements;
 
   ElementAst(this.ast, this.treeElements);
 
@@ skipping 338 matching lines @@
       // As an idea: provide template as a Dart code---class C { C.name(); }---
       // and then overwrite necessary parts.
       SynthesizedConstructorElement constructor =
           new SynthesizedConstructorElement(classElement);
       constructor.type = new FunctionType(
           compiler.types.voidType, const Link<DartType>(),
           constructor);
       constructor.cachedNode = new FunctionExpression(
           new Send(receiver: classElement.parseNode(compiler).name,
                    selector: synthesizedIdentifier),
-          new NodeList(beginToken: new StringToken(OPEN_PAREN_INFO, '(', -1),
-                       endToken: new StringToken(CLOSE_PAREN_INFO, ')', -1),
-                       nodes: const Link<Node>()),
+          new NodeList(new StringToken(OPEN_PAREN_INFO, '(', -1),
+                       const Link<Node>(),
+                       new StringToken(CLOSE_PAREN_INFO, ')', -1)),
           new EmptyStatement(new StringToken(SEMICOLON_INFO, ';', -1)),
           null, Modifiers.EMPTY, null, null);
 
       classMembers[classElement].add(constructor);
       elementAsts[constructor] =
           new ElementAst(constructor.cachedNode, new TreeElementMapping());
     }
 
     // Create all necessary placeholders.
     PlaceholderCollector collector =
@@ skipping 90 matching lines @@
   EmitterUnparser(this.renames);
 
   visit(Node node) {
     if (node !== null && renames.containsKey(node)) {
       sb.add(renames[node]);
     } else {
       super.visit(node);
     }
   }
 
-  unparseSendReceiver(Send node, [bool spacesNeeded=false]) {
+  unparseSendReceiver(Send node, {bool spacesNeeded: false}) {
     // TODO(smok): Remove ugly hack for library prefices.
     if (node.receiver !== null && renames[node.receiver] == '') return;
-    super.unparseSendReceiver(node, spacesNeeded);
+    super.unparseSendReceiver(node, spacesNeeded: spacesNeeded);
   }
 }
 
 
 /**
  * Some elements are not recorded by resolver now,
  * for example, typedefs or classes which are only
  * used in signatures, as/is operators or in super clauses
  * (just to name a few).  Retraverse AST to pick those up.
  */
@@ skipping 50 matching lines @@
 }
 
 compareElements(e0, e1) {
   int result = compareBy((e) => e.getLibrary().uri.toString())(e0, e1);
   if (result != 0) return result;
   return compareBy((e) => e.position().charOffset)(e0, e1);
 }
 
 List<Element> sortElements(Collection<Element> elements) =>
     sorted(elements, compareElements);