Added unit tests for the Dart Chrome.* API wrappers.

tools/json_schema_compiler/dart_test/comments.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.
+
+// Generated from namespace: comments
+
+part of chrome;
+/**
+ * Functions
+ */
+
+class API_comments {
+  /*
+   * API connection
+   */
+  Object _jsObject;
+
+  /*
+   * Functions
+   */
+  /// There's a blank line at the start of this comment.  Documentation for
+  /// basicFunction. BasicFunction() is a great function. There is a newline
+  /// after this.<br/><br/> It works like so:        +-----+        |     |
+  /// +--+        |     |     |  |        +-----+ --> +--+<br/><br/> Some other
+  /// stuff here.    This paragraph starts with whitespace.    Overall, its a
+  /// great function. There's also a blank line at the end of this comment.
+  void basicFunction() => JS('void', '#.basicFunction()', this._jsObject);
+
+  API_comments(this._jsObject) {
+  }
+}