Dartdoc and Apidoc updated to use dart2js through the mirror system.

lib/dartdoc/file_util.dart

Index: lib/dartdoc/file_util.dart
diff --git a/lib/dartdoc/frog/file_system.dart b/lib/dartdoc/file_util.dart
similarity index 76%
copy from lib/dartdoc/frog/file_system.dart
copy to lib/dartdoc/file_util.dart
index 5747c484751ecf2cfba04db3d6b944a08e3d8d39..814f2aae5bacf22bbdaad4926e818ce12647b5bd 100644
--- a/lib/dartdoc/frog/file_system.dart
+++ b/lib/dartdoc/file_util.dart
@@ -2,26 +2,14 @@
 // 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.
 
-/** Abstraction for file systems and utility functions to manipulate paths. */
-#library('file_system');
-
 /**
- * Abstraction around file system access to work in a variety of different
- * environments.
+ * TODO(johnniwinther): Path manipulation copied from frog/file_system.dart.
+ * Should be converted to use Path from dart:io when this is completed.
  */
-interface FileSystem {
-  String readAll(String filename);
-
-  void writeString(String outfile, String text);
-
-  bool fileExists(String filename);
+#library('file_util');
 
-  void createDirectory(String path, [bool recursive]);
-  void removeDirectory(String path, [bool recursive]);
-}
-
-/** 
- * Replaces all back slashes (\) with forward slashes (/) in [path] and 
+/**
+ * Replaces all back slashes (\) with forward slashes (/) in [path] and
  * return the result.
  */
 String canonicalizePath(String path) {