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

samples/total/client/CellLocation.dart

Index: samples/total/client/CellLocation.dart
===================================================================
--- samples/total/client/CellLocation.dart	(revision 9011)
+++ samples/total/client/CellLocation.dart	(working copy)
@@ -1,56 +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.
-
-/**
- * An object for holding cell locations.
- *
- * This class is immutable: instances cannot be changed after creation.
- */
-class CellLocation implements Hashable {
-  final RowCol _rowCol;
-  final Spreadsheet _spreadsheet;
-
-  int get col() => _rowCol.col;
-
-  int get row() => _rowCol.row;
-
-  RowCol get rowCol() => _rowCol;
-
-  Spreadsheet get spreadsheet() => _spreadsheet;
-
-  CellLocation(this._spreadsheet, this._rowCol) { }
-
-  bool operator ==(CellLocation other) {
-    if (!(other is CellLocation)) {
-      return false;
-    }
-    return _spreadsheet === other._spreadsheet && other._rowCol == _rowCol;
-  }
-
-  CellLocation operator +(RowCol rowCol) => new CellLocation(_spreadsheet, _rowCol + rowCol);
-
-  // Convenience method for 'spreadsheet.getCell(rowCol)'
-  Cell getCell() => _spreadsheet.getCell(_rowCol);
-
-  int hashCode() => (_spreadsheet.hashCode() * 31) ^ _rowCol.hashCode();
-
-  bool isValidCell() => _rowCol.isValidCell();
-
-  // Convenience method for 'spreadsheet.markDirty(rowCol)'
-  void markDirty() {
-    _spreadsheet.markDirty(_rowCol);
-  }
-
-  // Convenience method for 'spreadsheet.setCellContentFromString(rowCol, content)'
-  Cell setCellFromContentString(String content) =>
-      _spreadsheet.setCellFromContentString(_rowCol, content);
-
-  String toString() {
-    // TODO: Sheets should have names, and we should use them here.
-    // But we probably want a flag, because when printing strings
-    // we would normally only add the spreadsheet ID if the formula or
-    // whatever we are printing is in a different spreadsheet.
-    return _rowCol.toString();
-  }
-}