Enabled CSS tests, added CSS tests to buildbot, fixed tooling with nodejs, and added more tests.

utils/css/uitest.dart

 // Copyright (c) 2011, 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.
 
-//#import('../file_system.dart');
-
-#import("dart:dom");
+#import('dart:dom');
 #import('css.dart');
 #import('../../frog/lang.dart', prefix:'lang');
 #import('../../frog/file_system_memory.dart');
 
 void runCss([bool debug = false, bool parseOnly = false]) {
   final HTMLTextAreaElement classes = document.getElementById('classes');
   final HTMLTextAreaElement expression = document.getElementById('expression');
   final HTMLDivElement result = document.getElementById('result');
 
   List<String> knownWorld = classes.value.split("\n");
   List<String> knownClasses = [];
   List<String> knownIds = [];
-  for (var name in knownWorld) {
+  for (final name in knownWorld) {
     if (name.startsWith('.')) {
       knownClasses.add(name.substring(1));
     } else if (name.startsWith('#')) {
       knownIds.add(name.substring(1));
     }
   }
 
   CssWorld cssWorld = new CssWorld(knownClasses, knownIds);
   bool templateValid = true;
   String dumpTree = "";
 
   String cssExpr = expression.value;
   if (!debug) {
     try {
       cssParseAndValidate(cssExpr, cssWorld);
-    } catch (var cssException) {
+    } catch (final cssException) {
       templateValid = false;
       dumpTree = cssException.toString();
     }
   } else if (parseOnly) {
     try {
       Parser parser = new Parser(new lang.SourceFile(
           lang.SourceFile.IN_MEMORY_FILE, cssExpr));
       Stylesheet stylesheet = parser.parse();
       StringBuffer stylesheetTree = new StringBuffer();
       String prettyStylesheet = stylesheet.toString();
       stylesheetTree.add("${prettyStylesheet}\n");
       stylesheetTree.add("\n============>Tree Dump<============\n");
       stylesheetTree.add(stylesheet.toDebugString());
       dumpTree = stylesheetTree.toString();
-    } catch (var cssParseException) {
+    } catch (final cssParseException) {
       templateValid = false;
       dumpTree = cssParseException.toString();
     }
   } else {
     try {
       dumpTree = cssParseAndValidateDebug(cssExpr, cssWorld);
-    } catch (var cssException) {
+    } catch (final cssException) {
       templateValid = false;
       dumpTree = cssException.toString();
     }
   }
 
   var bgcolor = templateValid ? "white" : "red";
   var color = templateValid ? "black" : "white";
   var valid = templateValid ? "VALID" : "NOT VALID";
   String resultStyle = 'margin: 0; height: 138px; width: 100%; border: 0; border-top: 1px solid black;';
   result.innerHTML = '''
@@ skipping 19 matching lines @@
     <button onclick="runCss(true, true)" style="position: absolute; left: 430px; top: 135px;">Parse</button>
     <button onclick="runCss()" style="position: absolute; left: 500px; top: 135px;">Check</button>
     <button onclick="runCss(true)" style="position: absolute; left: 570px; top: 135px;">Debug</button>
     <div style="top: 160px; left: 225px; position: absolute;">
       <span style="font-weight:bold;">Result</span><br/>
       <div id="result" style="width: 400px; height: 158px; border: black solid 1px;"></textarea>
     </div>
   ''';
 
   document.body.appendChild(element);
-//  document.body.elements.add(element);
 
   // TODO(terry): Needed so runCss isn't shakened out.
   if (false) {
     runCss();
   }
 
   initCssWorld(false);
 }