ash: Restore previous show state after exiting fullscreen.

ash/common/wm_window.h

 // Copyright 2016 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_COMMON_WM_WINDOW_H_
 #define ASH_COMMON_WM_WINDOW_H_
 
 #include <memory>
 #include <vector>
 
@@ skipping 246 matching lines @@
   gfx::Rect GetTargetBounds();
   void ClearRestoreBounds();
   void SetRestoreBoundsInScreen(const gfx::Rect& bounds);
   gfx::Rect GetRestoreBoundsInScreen() const;
 
   bool Contains(const WmWindow* other) const;
 
   void SetShowState(ui::WindowShowState show_state);
   ui::WindowShowState GetShowState() const;
 
-  void SetRestoreShowState(ui::WindowShowState show_state);
+  void SetPreMinimizedShowState(ui::WindowShowState show_state);
+  ui::WindowShowState GetPreMinimizedShowState() const;
+  void SetPreFullscreenShowState(ui::WindowShowState show_state);
 
   // Sets the restore bounds and show state overrides. These values take
   // precedence over the restore bounds and restore show state (if set).
   // If |bounds_override| is empty the values are cleared.
   void SetRestoreOverrides(const gfx::Rect& bounds_override,
                            ui::WindowShowState window_state_override);
 
   // If |value| is true the window can not be moved to another root, regardless
   // of the bounds set on it.
   void SetLockedToRoot(bool value);
@@ skipping 32 matching lines @@
   // forward to an associated widget.
   void CloseWidget();
 
   void SetFocused();
   bool IsFocused() const;
 
   bool IsActive() const;
   void Activate();
   void Deactivate();
 
-  void SetFullscreen();
+  void SetFullscreen(bool fullscreen);
 
   void Maximize();
   void Minimize();
   void Unminimize();
 
   std::vector<WmWindow*> GetChildren();
 
   // Shows/hides the resize shadow. |component| is the component to show the
   // shadow for (one of the constants in ui/base/hit_test.h).
   void ShowResizeShadow(int component);
@@ skipping 80 matching lines @@
 
   // If true the minimum size is 0x0, default is minimum size comes from widget.
   bool use_empty_minimum_size_for_testing_;
 
   DISALLOW_COPY_AND_ASSIGN(WmWindow);
 };
 
 }  // namespace ash
 
 #endif  // ASH_COMMON_WM_WINDOW_H_