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

samples/tests/samples/src/lib/layout/grid_layout_demo.dart

Index: samples/tests/samples/src/lib/layout/grid_layout_demo.dart
===================================================================
--- samples/tests/samples/src/lib/layout/grid_layout_demo.dart	(revision 0)
+++ samples/tests/samples/src/lib/layout/grid_layout_demo.dart	(revision 0)
@@ -0,0 +1,20 @@
+// 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('grid_layout_demo');
+
+#import('dart:html');
+#import('../../../../../ui_lib/observable/observable.dart');
+#import('../../../../../ui_lib/base/base.dart');
+#import('../../../../../ui_lib/touch/touch.dart');
+#import('../../../../../ui_lib/util/utilslib.dart');
+#import('../../../../../ui_lib/view/view.dart');
+
+#source('GridLayoutDemo.dart');
+#source('GridExamples.dart');
+#source('CSS.dart');
+
+void main() {
+  _onLoad();
+}