Make isUtc a getter, change some method names in Date.

samples/total/client/SpreadsheetPresenter.dart

 // Copyright (c) 2012, 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.
 
 typedef void EditCellRangeFunction(CellRange range);
 
 /**
  * Spreadsheet widget.
  */
 class SpreadsheetPresenter implements SpreadsheetListener, SelectionListener {
@@ skipping 808 matching lines @@
           _rowShift = newRowShift;
           _columnShift = newColumnShift;
           _spreadsheet.refresh();
         }
       });
     });
   }
 
   // Return the number of milliseconds since the epoch
   int _currentTimeMllis() {
-    return new Date.now().value;
+    return new Date.now().millisecondsSinceEpoch;
   }
 
   void _formulaCellSelectingInsertReference(RowCol clickLocation, RowCol dragLocation) {
     // set "click" location and reset "drag"
     if (clickLocation != null) {
       if (!clickLocation.isValidCell()) {
         return;
       }
       _formulaCellSelectingClickLocation = clickLocation;
       _formulaCellSelectingDragLocation = clickLocation;
@@ skipping 881 matching lines @@
       _spreadsheet.execute(command);
     } else {
       if (rowOrCol == COL) {
         _spreadsheet.setColumnWidth(index, size);
       } else {
         _spreadsheet.setRowHeight(index, size);
       }
     }
   }
 }