TableView: 3-phase ToggleSortOrder (sorted/reversed/unsorted)

chrome/browser/ui/task_manager/task_manager_table_model.h

Index: chrome/browser/ui/task_manager/task_manager_table_model.h
diff --git a/chrome/browser/ui/task_manager/task_manager_table_model.h b/chrome/browser/ui/task_manager/task_manager_table_model.h
index e726e619f9a6994b6aaa936c8994b506303f924c..a983c07e44342bd70c79e5d70535ab3ea2415101 100644
--- a/chrome/browser/ui/task_manager/task_manager_table_model.h
+++ b/chrome/browser/ui/task_manager/task_manager_table_model.h
@@ -45,9 +45,8 @@ class TableViewDelegate {
 
   virtual TableSortDescriptor GetSortDescriptor() const = 0;
 
-  // As the name of |visible_column_index| implies, it must by the index of the
-  // column in the visible columns array.
-  virtual void ToggleSortOrder(int visible_column_index) = 0;
+  virtual void SetSortDescriptor(
+      const TableSortDescriptor& sort_descriptor) = 0;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(TableViewDelegate);