DartToSourceVisitor was omitting type annotations on list/map literals

compiler/java/com/google/dart/compiler/ast/DartToSourceVisitor.java

Index: compiler/java/com/google/dart/compiler/ast/DartToSourceVisitor.java
diff --git a/compiler/java/com/google/dart/compiler/ast/DartToSourceVisitor.java b/compiler/java/com/google/dart/compiler/ast/DartToSourceVisitor.java
index 60778ad42df811f5d34466bf4365fd51d2fdbd5e..2a4c25f52c1a5fa1ee98cc741812ec977ceb8359 100644
--- a/compiler/java/com/google/dart/compiler/ast/DartToSourceVisitor.java
+++ b/compiler/java/com/google/dart/compiler/ast/DartToSourceVisitor.java
@@ -1,4 +1,4 @@
-// Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
+// 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.
 
@@ -870,6 +870,12 @@ public class DartToSourceVisitor extends DartVisitor {
 
   @Override
   public boolean visit(DartArrayLiteral x, DartContext ctx) {
+    List<DartTypeNode> typeArguments = x.getTypeArguments();
+    if (typeArguments != null && typeArguments.size() > 0) {
+      p("<");
+      printSeparatedByComma(typeArguments);
+      p(">");
+    }
     p("[");
     printSeparatedByComma(x.getExpressions());
     p("]");
@@ -878,6 +884,12 @@ public class DartToSourceVisitor extends DartVisitor {
 
   @Override
   public boolean visit(DartMapLiteral x, DartContext ctx) {
+    List<DartTypeNode> typeArguments = x.getTypeArguments();
+    if (typeArguments != null && typeArguments.size() > 0) {
+      p("<");
+      printSeparatedByComma(typeArguments);
+      p(">");
+    }
     p("{");
     List<DartMapLiteralEntry> entries = x.getEntries();
     for (int i = 0; i < entries.size(); ++i) {