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

lib/compiler/implementation/scanner/listener.dart

Index: lib/compiler/implementation/scanner/listener.dart
===================================================================
--- lib/compiler/implementation/scanner/listener.dart	(revision 13683)
+++ lib/compiler/implementation/scanner/listener.dart	(working copy)
@@ -1824,7 +1824,7 @@
         cachedNode.type === null) {
       listener.cancel('A field declaration must start with var, final, '
                       'const, or a type annotation.',
-                      cachedNode);
+                      node: cachedNode);
     }
     return cachedNode;
   }