| Index: samples-dev/swarm/swarm_ui_lib/view/PagedViews.dart | 
| diff --git a/samples-dev/swarm/swarm_ui_lib/view/PagedViews.dart b/samples-dev/swarm/swarm_ui_lib/view/PagedViews.dart | 
| index 6339b363c974d6c5ff615136e09e9cae67e1bc11..0fde729295877c1193212a910791b35258c84c85 100644 | 
| --- a/samples-dev/swarm/swarm_ui_lib/view/PagedViews.dart | 
| +++ b/samples-dev/swarm/swarm_ui_lib/view/PagedViews.dart | 
| @@ -8,10 +8,10 @@ class PageState { | 
| final ObservableValue<int> current; | 
| final ObservableValue<int> target; | 
| final ObservableValue<int> length; | 
| -  PageState() : | 
| -    current = new ObservableValue<int>(0), | 
| -    target = new ObservableValue<int>(0), | 
| -    length = new ObservableValue<int>(1); | 
| +  PageState() | 
| +      : current = new ObservableValue<int>(0), | 
| +        target = new ObservableValue<int>(0), | 
| +        length = new ObservableValue<int>(1); | 
| } | 
|  | 
| /** Simplifies using a PageNumberView and PagedColumnView together. */ | 
| @@ -20,8 +20,8 @@ class PagedContentView extends CompositeView { | 
| final PageState pages; | 
|  | 
| PagedContentView(this.content) | 
| -    : super('paged-content'), | 
| -      pages = new PageState() { | 
| +      : super('paged-content'), | 
| +        pages = new PageState() { | 
| addChild(new PagedColumnView(pages, content)); | 
| addChild(new PageNumberView(pages)); | 
| } | 
| @@ -85,7 +85,6 @@ class PageNumberView extends View { | 
| * the number of pages using [:scrollWidth:] and [:offsetWidth:]. | 
| */ | 
| class PagedColumnView extends View { | 
| - | 
| static const MIN_THROW_PAGE_FRACTION = 0.01; | 
| final View contentView; | 
|  | 
| @@ -112,15 +111,10 @@ class PagedColumnView extends View { | 
| // the scroller configured the default way. | 
|  | 
| // TODO(jacobr): use named arguments when available. | 
| -    scroller = new Scroller( | 
| -        _container, | 
| -        false /* verticalScrollEnabled */, | 
| -        true /* horizontalScrollEnabled */, | 
| -        true /* momementumEnabled */, | 
| -        () { | 
| -          return new Size(_getViewLength(_container), 1); | 
| -        }, | 
| -        Scroller.FAST_SNAP_DECELERATION_FACTOR); | 
| +    scroller = new Scroller(_container, false /* verticalScrollEnabled */, | 
| +        true /* horizontalScrollEnabled */, true /* momementumEnabled */, () { | 
| +      return new Size(_getViewLength(_container), 1); | 
| +    }, Scroller.FAST_SNAP_DECELERATION_FACTOR); | 
|  | 
| scroller.onDecelStart.listen(_snapToPage); | 
| scroller.onScrollerDragEnd.listen(_snapToPage); | 
| @@ -193,8 +187,8 @@ class PagedColumnView extends View { | 
| int pageLength = 1; | 
| scheduleMicrotask(() { | 
| if (_container.scrollWidth > _container.offset.width) { | 
| -        pageLength = (_container.scrollWidth / _computePageSize(_container)) | 
| -            .ceil(); | 
| +        pageLength = | 
| +            (_container.scrollWidth / _computePageSize(_container)).ceil(); | 
| } | 
| pageLength = Math.max(pageLength, 1); | 
|  | 
| @@ -236,13 +230,14 @@ class PagedColumnView extends View { | 
| pageNumber = pageNumber.round(); | 
| } else { | 
| if (currentPageNumber == pageNumber.round() && | 
| -          (pageNumber - currentPageNumber).abs() > MIN_THROW_PAGE_FRACTION && | 
| -          -current + _viewportSize < _getViewLength(_container) && | 
| -          current < 0) { | 
| +            (pageNumber - currentPageNumber).abs() > MIN_THROW_PAGE_FRACTION && | 
| +            -current + _viewportSize < _getViewLength(_container) && | 
| +            current < 0) { | 
| // The user is trying to throw so we want to round up to the | 
| // nearest page in the direction they are throwing. | 
| pageNumber = currentTarget < current | 
| -              ? currentPageNumber + 1 : currentPageNumber - 1; | 
| +              ? currentPageNumber + 1 | 
| +              : currentPageNumber - 1; | 
| } else { | 
| pageNumber = pageNumber.round(); | 
| } | 
| @@ -266,8 +261,8 @@ class PagedColumnView extends View { | 
|  | 
| // Figure out how many columns we're rendering. | 
| // The algorithm ensures we're bigger than the specified min size. | 
| -    int perPage = Math.max(1, | 
| -        (_viewportSize + _columnGap) ~/ (_columnWidth + _columnGap)); | 
| +    int perPage = Math.max( | 
| +        1, (_viewportSize + _columnGap) ~/ (_columnWidth + _columnGap)); | 
|  | 
| // Divide up the viewport between the columns. | 
| int columnSize = (_viewportSize - (perPage - 1) * _columnGap) ~/ perPage; | 
|  |