Remove implementation of Panels on OSes other than ChromeOS.

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/macros.h"
-#include "chrome/browser/ui/panels/panel_constants.h"
-#include "ui/gfx/geometry/point.h"
-#include "ui/gfx/geometry/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,
-                     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_;
-
-  // 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_