Revert "Parts must start with 'part of'" and "Attempt to fix VM build"

dart/samples/ui_lib/view/PagedViews.dart

-part of view;
-
 // 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.
 
 class PageState {
   final ObservableValue<int> current;
   final ObservableValue<int> target;
   final ObservableValue<int> length;
   PageState() :
     current = new ObservableValue<int>(0),
@@ skipping 267 matching lines @@
     return perPage * (columnSize + _columnGap);
   }
 
   void _onPageSelected() {
     _container.rect.then((ElementRect rect) {
       int translate = -pages.target.value * _computePageSize(rect);
       scroller.throwTo(translate, 0);
     });
   }
 }