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

lib/compiler/implementation/tree/nodes.dart

Index: lib/compiler/implementation/tree/nodes.dart
===================================================================
--- lib/compiler/implementation/tree/nodes.dart	(revision 13683)
+++ lib/compiler/implementation/tree/nodes.dart	(working copy)
@@ -357,12 +357,12 @@
 }
 
 class Postfix extends NodeList {
-  Postfix() : super(nodes: const Link<Node>());
+  Postfix() : super(null, const Link<Node>());
   Postfix.singleton(Node argument) : super.singleton(argument);
 }
 
 class Prefix extends NodeList {
-  Prefix() : super(nodes: const Link<Node>());
+  Prefix() : super(null, const Link<Node>());
   Prefix.singleton(Node argument) : super.singleton(argument);
 }
 
@@ -804,7 +804,7 @@
   final bool raw;
   final int leftQuoteCharCount;
   final int quote;
-  const StringQuoting(this.quote, [bool raw, int leftQuoteLength])
+  const StringQuoting(this.quote, {bool raw, int leftQuoteLength})
       : this.raw = raw, this.leftQuoteCharCount = leftQuoteLength;
   String get quoteChar => quote === $DQ ? '"' : "'";