Update panel layout immediately after the user has finished resizing a panel.

ui/views/widget/desktop_aura/desktop_window_tree_host_x11.h

 // Copyright (c) 2012 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 UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_WINDOW_TREE_HOST_X11_H_
 #define UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_WINDOW_TREE_HOST_X11_H_
 
 #include <X11/extensions/shape.h>
 #include <X11/Xlib.h>
 
 #include "base/basictypes.h"
 #include "base/memory/weak_ptr.h"
 #include "base/observer_list.h"
 #include "ui/aura/window_tree_host.h"
 #include "ui/base/cursor/cursor_loader_x11.h"
 #include "ui/events/event_source.h"
 #include "ui/events/platform/platform_event_dispatcher.h"
 #include "ui/gfx/insets.h"
 #include "ui/gfx/rect.h"
 #include "ui/gfx/x/x11_atom_cache.h"
 #include "ui/views/views_export.h"
 #include "ui/views/widget/desktop_aura/desktop_window_tree_host.h"
 
 namespace gfx {
 class ImageSkia;
 class ImageSkiaRep;
 }
 
+namespace ui {
+class EventHandler;
+}
+
 namespace views {
 class DesktopDragDropClientAuraX11;
 class DesktopDispatcherClient;
 class DesktopWindowTreeHostObserverX11;
 class X11DesktopWindowMoveClient;
 class X11ScopedCapture;
 class X11WindowEventFilter;
 
 class VIEWS_EXPORT DesktopWindowTreeHostX11
     : public DesktopWindowTreeHost,
@@ skipping 28 matching lines @@
   // otherwise.
   ::Region GetWindowShape() const;
 
   // Called by X11DesktopHandler to notify us that the native windowing system
   // has changed our activation.
   void HandleNativeWidgetActivationChanged(bool active);
 
   void AddObserver(views::DesktopWindowTreeHostObserverX11* observer);
   void RemoveObserver(views::DesktopWindowTreeHostObserverX11* observer);
 
+  // Swaps the current handler for events in the non client view with |handler|.
+  void SwapNonClientEventHandler(scoped_ptr<ui::EventHandler> handler);
+
   // Deallocates the internal list of open windows.
   static void CleanUpWindowList();
 
  protected:
   // Overridden from DesktopWindowTreeHost:
   virtual void Init(aura::Window* content_window,
                     const Widget::InitParams& params) OVERRIDE;
   virtual void OnNativeWidgetCreated(const Widget::InitParams& params) OVERRIDE;
   virtual scoped_ptr<corewm::Tooltip> CreateTooltip() OVERRIDE;
   virtual scoped_ptr<aura::client::DragDropClient>
@@ skipping 180 matching lines @@
   // Whether we used an ARGB visual for our window.
   bool use_argb_visual_;
 
   scoped_ptr<DesktopDispatcherClient> dispatcher_client_;
 
   DesktopDragDropClientAuraX11* drag_drop_client_;
 
   // Current Aura cursor.
   gfx::NativeCursor current_cursor_;
 
-  scoped_ptr<X11WindowEventFilter> x11_window_event_filter_;
+  scoped_ptr<ui::EventHandler> x11_non_client_event_filter_;
   scoped_ptr<X11DesktopWindowMoveClient> x11_window_move_client_;
 
   // TODO(beng): Consider providing an interface to DesktopNativeWidgetAura
   //             instead of providing this route back to Widget.
   internal::NativeWidgetDelegate* native_widget_delegate_;
 
   DesktopNativeWidgetAura* desktop_native_widget_aura_;
 
   aura::Window* content_window_;
 
@@ skipping 33 matching lines @@
   // attention to the window or completely ignore the hint. We stop flashing
   // the frame when |xwindow_| gains focus or handles a mouse button event.
   bool urgency_hint_set_;
 
   DISALLOW_COPY_AND_ASSIGN(DesktopWindowTreeHostX11);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_WINDOW_TREE_HOST_X11_H_