[not for review - epic CL] Adding Elastic+Momentum+Layered scrolling to views::ScrollView

ui/views/controls/table/table_view.cc

Index: ui/views/controls/table/table_view.cc
diff --git a/ui/views/controls/table/table_view.cc b/ui/views/controls/table/table_view.cc
index 9ce94cc4519a6e53df4bc9314ec1a624ff9832dd..6c80d78ab1c4e0e3eeacf26c226ed125a767d52a 100644
--- a/ui/views/controls/table/table_view.cc
+++ b/ui/views/controls/table/table_view.cc
@@ -317,17 +317,16 @@ int TableView::ViewToModel(int view_index) const {
 }
 
 void TableView::Layout() {
-  // parent()->parent() is the scrollview. When its width changes we force
-  // recalculating column sizes.
-  View* scroll_view = parent() ? parent()->parent() : NULL;
+  // When the scroll view width changes, recalculate column sizes.
+  ScrollView* scroll_view = EnclosingScrollView();
   if (scroll_view) {
     const int scroll_view_width = scroll_view->GetContentsBounds().width();
     if (scroll_view_width != last_parent_width_) {
       last_parent_width_ = scroll_view_width;
       if (!in_set_visible_column_width_) {
-        // Layout to the parent (the Viewport), which differs from
+        // Layout to the visible width (the Viewport), which differs from
         // |scroll_view_width| when scrollbars are present.
-        layout_width_ = parent()->width();
+        layout_width_ = scroll_view->GetVisibleRect().width();
         UpdateVisibleColumnSizes();
       }
     }