[mus+ash] Removes WmWindow from ash/wm/mru_window_tracker and overview mode

ash/wm/window_positioner.h

 // Copyright 2013 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_POSITIONER_H_
 #define ASH_WM_WINDOW_POSITIONER_H_
 
 #include "ash/ash_export.h"
 #include "base/macros.h"
 #include "ui/base/ui_base_types.h"
 
+namespace aura {
+class Window;
+}
+
 namespace display {
 class Display;
 }
 
 namespace gfx {
 class Rect;
 }
 
 namespace ash {
 
-class WmWindow;
-
 namespace test {
 class WindowPositionerTest;
 }
 
 // WindowPositioner is used by the browser to move new popups automatically to
 // a usable position on the closest work area (of the active window).
 class ASH_EXPORT WindowPositioner {
  public:
   // When the screen resolution width is smaller then this size, The algorithm
   // will default to maximized.
   static int GetForceMaximizedWidthLimit();
 
   // The number of pixels which are kept free top, left and right when a window
   // gets positioned to its default location.
   static const int kDesktopBorderSize;
 
   // Maximum width of a window even if there is more room on the desktop.
   static const int kMaximumWindowWidth;
 
   // Computes and returns the bounds and show state for new window
   // based on the parameter passed AND existing windows. |window| is
   // the one this function will generate a bounds for and used to
   // exclude the self window in making decision how to position the
   // window. |window| can be (and in most case) NULL.
   // |is_saved_bounds| indicates the |bounds_in_out| is the saved
   // bounds.
   static void GetBoundsAndShowStateForNewWindow(
-      const WmWindow* new_window,
+      const aura::Window* new_window,
       bool is_saved_bounds,
       ui::WindowShowState show_state_in,
       gfx::Rect* bounds_in_out,
       ui::WindowShowState* show_state_out);
 
   // Returns the default bounds for a window to be created in the |display|.
   static gfx::Rect GetDefaultWindowBounds(const display::Display& display);
 
   // Check if after removal or hide of the given |removed_window| an
   // automated desktop location management can be performed and
   // rearrange accordingly.
   static void RearrangeVisibleWindowOnHideOrRemove(
-      const WmWindow* removed_window);
+      const aura::Window* removed_window);
 
   // Turn the automatic positioning logic temporarily off. Returns the previous
   // state.
   static bool DisableAutoPositioning(bool ignore);
 
   // Check if after insertion or showing of the given |added_window|
   // an automated desktop location management can be performed and
   // rearrange accordingly.
-  static void RearrangeVisibleWindowOnShow(WmWindow* added_window);
+  static void RearrangeVisibleWindowOnShow(aura::Window* added_window);
 
   WindowPositioner();
   ~WindowPositioner();
 
   // Find a suitable screen position for a popup window and return it. The
   // passed input position is only used to retrieve the width and height.
   // The position is determined on the left / right / top / bottom first. If
   // no smart space is found, the position will follow the standard what other
   // operating systems do (default cascading style).
   gfx::Rect GetPopupPosition(const gfx::Rect& old_pos);
@@ skipping 35 matching lines @@
   // The last used position.
   int last_popup_position_x_;
   int last_popup_position_y_;
 
   DISALLOW_COPY_AND_ASSIGN(WindowPositioner);
 };
 
 }  // namespace ash
 
 #endif  // ASH_WM_WINDOW_POSITIONER_H_