Removed obsolete code

utils/css/tool.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.
-
-library csstool;
-
-import 'dart:io';
-import 'css.dart';
-import '../lib/file_system.dart';
-import '../lib/file_system_vm.dart';
-
-
-FileSystem files;
-
-/** Invokes [callback] and returns how long it took to execute in ms. */
-num time(callback()) {
-  final watch = new Stopwatch();
-  watch.start();
-  callback();
-  watch.stop();
-  return watch.elapsedMilliseconds;
-}
-
-printStats(num elapsed, [String filename = '']) {
-  print('Parsed ${_GREEN_COLOR}${filename}${_NO_COLOR} in ${elapsed} msec.');
-}
-
-/**
- * Run from the `utils/css` directory.
- */
-void main(List<String> optionsArgs) {
-  assert(optionArgs.length == 2);
-
-  String sourceFullFn = optionArgs[0];
-  String outputFullFn = optionArgs[1];
-
-  String sourcePath;
-  String sourceFilename;
-  int idxBeforeFilename = sourceFullFn.lastIndexOf('/');
-  if (idxBeforeFilename >= 0) {
-    sourcePath = sourceFullFn.substring(0, idxBeforeFilename + 1);
-    sourceFilename = sourceFullFn.substring(idxBeforeFilename + 1);
-  }
-
-  String outPath;
-  idxBeforeFilename = outputFullFn.lastIndexOf('/');
-  if (idxBeforeFilename >= 0) {
-    outPath = outputFullFn.substring(0, idxBeforeFilename + 1);
-  }
-
-  initCssWorld();
-
-  files = new VMFileSystem();
-  if (!files.fileExists(sourceFullFn)) {
-    // Display colored error message if file is missing.
-    print("\033[31mCSS source file missing - ${sourceFullFn}\033[0m");
-  } else {
-    String source = files.readAll(sourceFullFn);
-
-    Stylesheet stylesheet;
-
-    final elapsed = time(() {
-      Parser parser = new Parser(
-          new SourceFile(sourceFullFn, source), 0, files, sourcePath);
-      stylesheet = parser.parse();
-    });
-
-    printStats(elapsed, sourceFullFn);
-
-    StringBuffer buff = new StringBuffer(
-      '/* File generated by SCSS from source ${sourceFilename}\n' +
-      ' * Do not edit.\n' +
-      ' */\n\n');
-    buff.write(stylesheet.toString());
-
-    files.writeString(outputFullFn, buff.toString());
-    print("Generated file ${outputFullFn}");
-
-    // Generate CSS.dart file.
-    String genDartClassFile = Generate.dartClass(files, outPath, stylesheet,
-        sourceFilename);
-    print("Generated file ${genDartClassFile}");
-  }
-}