Makes Panel related classes use ash/wm/common types

ash/wm/window_resizer.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 ASH_WM_WINDOW_RESIZER_H_
 #define ASH_WM_WINDOW_RESIZER_H_
 
 #include <memory>
 
 #include "ash/ash_export.h"
 #include "ash/wm/drag_details.h"
 #include "ash/wm/window_state.h"
 #include "base/macros.h"
 #include "ui/wm/public/window_move_client.h"
 
-namespace aura {
-class Window;
-}
-
 namespace gfx {
 class Rect;
 }
 
 namespace ash {
 namespace wm {
 class WmWindow;
 }
 
 // WindowResizer is used by ToplevelWindowEventFilter to handle dragging, moving
@@ skipping 28 matching lines @@
   // Invoked to complete the drag.
   virtual void CompleteDrag() = 0;
 
   // Reverts the drag.
   virtual void RevertDrag() = 0;
 
   // Returns the target window the resizer was created for.
   wm::WmWindow* GetTarget() const {
     return window_state_ ? window_state_->window() : nullptr;
   }
-  // Deprecated.
-  // TODO(sky): remove.
-  aura::Window* GetAuraTarget() const {
-    return window_state_ ? window_state_->aura_window() : nullptr;
-  }
-
   // See comment for |DragDetails::initial_location_in_parent|.
   const gfx::Point& GetInitialLocation() const {
     return window_state_->drag_details()->initial_location_in_parent;
   }
 
   // Drag parameters established when drag starts.
   const DragDetails& details() const { return *window_state_->drag_details(); }
 
  protected:
   gfx::Rect CalculateBoundsForDrag(const gfx::Point& location);
@@ skipping 28 matching lines @@
 // |window| should not be resized nor dragged.
 ASH_EXPORT std::unique_ptr<WindowResizer> CreateWindowResizer(
     wm::WmWindow* window,
     const gfx::Point& point_in_parent,
     int window_component,
     aura::client::WindowMoveSource source);
 
 }  // namespace ash
 
 #endif  // ASH_WM_WINDOW_RESIZER_H_