Move client/{base, observable, layout, touch, util, view} to samples/ui_lib .

client/base/DomWrapper.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.
-
-/**
- * Embedded DSL for generating DOM elements.
- */
-class Dom {
-  static void ready(void f()) {
-    if (document.readyState == 'interactive' ||
-        document.readyState == 'complete') {
-      window.setTimeout(f, 0);
-    } else {
-      // TODO(jacobr): give this event a named property.
-      window.on.contentLoaded.add((Event e) { f(); });
-    }
-  }
-
-  /** Adds the given <style> text to the page. */
-  static void addStyle(String cssText) {
-    StyleElement style = new Element.tag('style');
-    style.type = 'text/css';
-    style.text = cssText;
-    document.head.nodes.add(style);
-  }
-}