Reducing the amount of code we generate in the compiler: We still continue

lib/src/info.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.
 
 /**
  * Datatypes holding information extracted by the analyzer and used by later
  * phases of the compiler.
  */
 library polymer.src.info;
 
@@ skipping 175 matching lines @@
    */
   ComponentSummary extendsComponent;
 
   /** The Dart class containing the component's behavior. */
   String className;
 
   /** The Dart class declaration. */
   ClassDeclaration get classDeclaration => _classDeclaration;
   ClassDeclaration _classDeclaration;
 
-  /** Component's <element> element. */
-  Element elementNode;
-
   // TODO(terry): Remove once we stop mangling CSS selectors.
   /** CSS selectors scoped. */
   bool scoped = false;
 
   /** The declaring `<element>` tag. */
   final Node element;
 
   /** File where this component was defined. */
   UrlInfo get dartCodeUrl => externalFile != null
       ? externalFile : declaringFile.inputUrl;
@@ skipping 27 matching lines @@
    */
   void findClassDeclaration(Messages messages) {
     var constructor = element.attributes['constructor'];
     className = constructor != null ? constructor :
         toCamelCase(tagName, startUppercase: true);
 
     // If we don't have any code, generate a small class definition, and
     // pretend the user wrote it as inlined code.
     if (userCode == null) {
       var superclass = extendsComponent != null ? extendsComponent.className
-          : 'autogenerated.WebComponent';
+          : 'autogenerated.PolymerElement';
       inlinedCode = new DartCodeInfo(null, null, [],
           'class $className extends $superclass {\n}', null);
     }
 
     var code = userCode.code;
     _classDeclaration = userCode.findClass(className);
     if (_classDeclaration == null) {
       // Check for deprecated x-tags implied constructor.
       if (tagName.startsWith('x-') && constructor == null) {
         var oldCtor = toCamelCase(tagName.substring(2), startUppercase: true);
@@ skipping 73 matching lines @@
     return new UrlInfo(url, target, span);
   }
 
   bool operator ==(UrlInfo other) =>
       url == other.url && resolvedPath == other.resolvedPath;
 
   int get hashCode => resolvedPath.hashCode;
 
   String toString() => "#<UrlInfo url: $url, resolvedPath: $resolvedPath>";
 }