Implements WindowGtk::CloseAllSecondaryWindows.

views/window/window.h

 // Copyright (c) 2009 The Chromium Authors. All rights reserved. Use of this
 // source code is governed by a BSD-style license that can be found in the
 // LICENSE file.
 
 #ifndef VIEWS_WINDOW_WINDOW_H_
 #define VIEWS_WINDOW_WINDOW_H_
 
 #include "base/gfx/native_widget_types.h"
 
 namespace gfx {
 class Rect;
 class Size;
 }
 
 namespace views {
 
 class ClientView;
 class NonClientFrameView;
 class NonClientView;
+class Widget;
 class WindowDelegate;
 
 // An interface implemented by an object that provides a top level window.
 class Window {
  public:
   virtual ~Window() {}
 
   // Creates an instance of an object implementing this interface.
   // TODO(beng): create a version of this function that takes a NativeView, for
   //             constrained windows.
   static Window* CreateChromeWindow(gfx::NativeWindow parent,
                                     const gfx::Rect& bounds,
                                     WindowDelegate* window_delegate);
 
   // Returns the preferred size of the contents view of this window based on
   // its localized size data. The width in cols is held in a localized string
   // resource identified by |col_resource_id|, the height in the same fashion.
   // TODO(beng): This should eventually live somewhere else, probably closer to
   //             ClientView.
   static int GetLocalizedContentsWidth(int col_resource_id);
   static int GetLocalizedContentsHeight(int row_resource_id);
   static gfx::Size GetLocalizedContentsSize(int col_resource_id,
                                             int row_resource_id);
 
   // Closes all windows that aren't identified as "app windows" via
   // IsAppWindow. Called during application shutdown when the last "app window"
   // is closed.
   static void CloseAllSecondaryWindows();
 
+  // Used by |CloseAllSecondaryWindows|. If |widget|'s window is a secondary
+  // window, the window is closed. If |widget| has no window, it is closed.
+  // Does nothing if |widget| is null.
+  static void CloseSecondaryWidget(Widget* widget);
+
   // Retrieves the window's bounds, including its frame.
   virtual gfx::Rect GetBounds() const = 0;
 
   // Retrieves the restored bounds for the window.
   virtual gfx::Rect GetNormalBounds() const = 0;
 
   // Sets the Window's bounds. The window is inserted after |other_window| in
   // the window Z-order. If this window is not yet visible, other_window's
   // monitor is used as the constraining rectangle, rather than this window's
   // monitor.
@@ skipping 90 matching lines @@
   // Whether we should be using a native frame.
   virtual bool ShouldUseNativeFrame() const = 0;
 
   // Tell the window that something caused the frame type to change.
   virtual void FrameTypeChanged() = 0;
 };
 
 }  // namespace views
 
 #endif  // #ifndef VIEWS_WINDOW_WINDOW_H_