Add support for the new function-type syntax.

pkg/compiler/lib/src/parser/element_listener.dart

Index: pkg/compiler/lib/src/parser/element_listener.dart
diff --git a/pkg/compiler/lib/src/parser/element_listener.dart b/pkg/compiler/lib/src/parser/element_listener.dart
index 5c058ee73318ec6827dc3b4f96811f6d2f68c51e..1abf7c38c8d0529cadeccde114dafa2fb8d0d48c 100644
--- a/pkg/compiler/lib/src/parser/element_listener.dart
+++ b/pkg/compiler/lib/src/parser/element_listener.dart
@@ -269,6 +269,15 @@ class ElementListener extends Listener {
     rejectBuiltInIdentifier(name);
   }
 
+  void endNewFunctionTypeAlias(Token typedefKeyword, Token endToken) {
+    popNode();  // Function type.
+    popNode();  // TODO(karlklose): do not throw away typeVariables.
+    Identifier name = popNode();
+    pushElement(new PartialTypedefElement(
+        name.source, compilationUnitElement, typedefKeyword, endToken));
+    rejectBuiltInIdentifier(name);
+  }
+
   void endNamedMixinApplication(
       Token classKeyword, Token implementsKeyword, Token endToken) {
     NodeList interfaces = (implementsKeyword != null) ? popNode() : null;
@@ -394,6 +403,12 @@ class ElementListener extends Listener {
     pushNode(new TypeAnnotation(typeName, typeArguments));
   }
 
+  void endFunctionType(Token beginToken, Token endToken) {
+    popNode();  // Type parameters.
+    popNode();  // Return type.
+    pushNode(null);
+  }
+
   void handleParenthesizedExpression(BeginGroupToken token) {
     Expression expression = popNode();
     pushNode(new ParenthesizedExpression(expression, token));