Hide linter warning for auto-binding-dart.

pkg/polymer/lib/src/build/linter.dart

 // Copyright (c) 2013, 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.
 
 /// Logic to validate that developers are correctly using Polymer constructs.
 /// This is mainly used to produce warnings for feedback in the editor.
 library polymer.src.build.linter;
 
 import 'dart:async';
 
@@ skipping 320 matching lines @@
     if (isCustomTagName(nodeTag)) {
       // <fancy-button>
       customTagName = nodeTag;
       hasIsAttribute = false;
     } else {
       // <button is="fancy-button">
       customTagName = node.attributes['is'];
       hasIsAttribute = true;
     }
 
-    if (customTagName == null || customTagName == 'polymer-element') return;
-
+    if (customTagName == null || customTagName == 'polymer-element' ||

[Siggi Cherem (dart-lang), 2014/07/07 21:11:26]

let's put polymer-element also as part of the list :)

+        INTERNALLY_DEFINED_ELEMENTS.contains(customTagName)) {
+      return;
+    }
+    
     var info = _elements[customTagName];
     if (info == null) {
       // TODO(jmesserly): this warning is wrong if someone is using raw custom
       // elements. Is there another way we can handle this warning that won't
       // generate false positives?
       _logger.warning('definition for Polymer element with tag name '
           '"$customTagName" not found.', span: node.sourceSpan);
       return;
     }
 
@@ skipping 91 matching lines @@
 const String USE_INIT_DART =
     'To run a polymer application, you need to call "initPolymer". You can '
     'either include a generic script tag that does this for you:'
     '\'<script type="application/dart">export "package:polymer/init.dart";'
     '</script>\' or add your own script tag and call that function. '
     'Make sure the script tag is placed after all HTML imports.';
 
 const String NO_DART_SCRIPT_AND_EXPERIMENTAL =
     'The experimental bootstrap feature doesn\'t support script tags on '
     'the main document (for now).';
+
+const List<String> INTERNALLY_DEFINED_ELEMENTS = const ['auto-binding-dart'];