Delete proxy and total samples, which have bit-rotted.

samples/total/client/RowColStyle.dart

Index: samples/total/client/RowColStyle.dart
===================================================================
--- samples/total/client/RowColStyle.dart	(revision 9011)
+++ samples/total/client/RowColStyle.dart	(working copy)
@@ -1,57 +0,0 @@
-// 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.
-
-/**
- * A class holding information about row, column or spreadsheet style.
- *
- * This method adds a unique change order id to the Style class, enabling
- * the application to prioritize styles when merging.
- *
- * This class is immutable; if the style changes, create a new one.
- */
-class RowColStyle {
-  static IdGenerator _idGenerator;
-
-  static Style merge3(RowColStyle style1, RowColStyle style2, RowColStyle style3) {
-    Style s1 = null;
-    int id1 = 0;
-    if (style1 != null) {
-      s1 = style1.style;
-      id1 = style1.id;
-    }
-    Style s2 = null;
-    int id2 = 0;
-    if (style2 != null) {
-      s2 = style2.style;
-      id2 = style2.id;
-    }
-    Style s3 = null;
-    int id3 = 0;
-    if (style3 != null) {
-      s3 = style3.style;
-      id3 = style3.id;
-    }
-    return Style.merge3(s1, id1, s2, id2, s3, id3);
-  }
-
-  int _id;
-  Style _style;
-
-  int get id() => _id;
-
-  Style get style() => _style;
-
-  RowColStyle(this._style) {
-    if (_style == null) {
-      throw new RuntimeException("style == null");
-    }
-    if (_idGenerator == null) {
-      _idGenerator = new IdGenerator();
-    }
-    _id = _idGenerator.next();
-  }
-
-  // These objects are immutable.
-  bool operator==(Object o) => o === this;
-}