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

chrome/browser/ui/panels/panel_resize_controller.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 CHROME_BROWSER_UI_PANELS_PANEL_RESIZE_CONTROLLER_H_
 #define CHROME_BROWSER_UI_PANELS_PANEL_RESIZE_CONTROLLER_H_
 
 #include <set>
 #include "base/basictypes.h"
 #include "chrome/browser/ui/panels/panel_constants.h"
 #include "ui/gfx/point.h"
 #include "ui/gfx/rect.h"
 
 class Panel;
 class PanelManager;
 namespace gfx {
   class Rect;
 }
 
 // Responsible for handling resize operations initiated for all panels.
 class PanelResizeController {
  public:
   explicit PanelResizeController(PanelManager* panel_manager);
 
   // Resize the given panel.
   // |mouse_location| is in screen coordinate system.
   void StartResizing(Panel* panel,
                      const gfx::Point& mouse_location,
-                     panel::ResizingSides sides);
+                     int component);
   void Resize(const gfx::Point& mouse_location);
 
   // Returns the panel that was resized.
   Panel* EndResizing(bool cancelled);
 
   // Asynchronous confirmation of panel having been closed.
   void OnPanelClosed(Panel* panel);
 
   bool IsResizing() const { return resizing_panel_ != NULL; }
 
  private:
   PanelManager* panel_manager_;  // Weak, owns us.
 
   // Panel currently being resized.
   Panel* resizing_panel_;
 
-  // Resizing at which side?
-  panel::ResizingSides sides_resized_;
+  // The part of the border used to resize the window.
+  int component_;
 
   // The mouse location, in screen coordinates, when StartResizing
   // previously called.
   gfx::Point mouse_location_at_start_;
 
   // Bounds to restore the panel to if resize is cancelled.
   gfx::Rect bounds_at_start_;
 
   DISALLOW_COPY_AND_ASSIGN(PanelResizeController);
 };
 
 #endif  // CHROME_BROWSER_UI_PANELS_PANEL_RESIZE_CONTROLLER_H_