Move WorkspaceView::destroyActivePaneItem to the model

src/workspace-view.coffee

@@ -46,7 +46,8 @@ class WorkspaceView extends View
 
   @delegatesProperty 'fullScreen', 'destroyedItemUris', toProperty: 'model'
   @delegatesMethods 'open', 'openSync', 'openSingletonSync', 'reopenItemSync',
-    'saveActivePaneItem', 'saveActivePaneItemAs', 'saveAll', toProperty: 'model'
+    'saveActivePaneItem', 'saveActivePaneItemAs', 'saveAll', 'destroyActivePaneItem',
+    toProperty: 'model'
 
   @version: 4
 
@@ -216,10 +217,6 @@ class WorkspaceView extends View
   getActiveView: ->
     @panes.getActiveView()
 
-  # Public: destroy/close the active item.
-  destroyActivePaneItem: ->
-    @getActivePane()?.destroyActiveItem()
-
   # Public: Focuses the previous pane by id.
   focusPreviousPane: -> @panes.focusPreviousPane()
 

src/workspace.coffee

@@ -119,6 +119,10 @@ class Workspace extends Model
   saveActivePaneItemAs: ->
     @activePane?.saveActiveItemAs()
 
+  # Public: destroy/close the active item.
+  destroyActivePaneItem: ->
+    @activePane?.destroyActiveItem()
+
   # Private: Removes the item's uri from the list of potential items to reopen.
   itemOpened: (item) ->
     if uri = item.getUri?()