Add WindowPinType property on arua::Window

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>
 
 #include "ash/ash_export.h"
 #include "base/macros.h"
 #include "base/observer_list.h"
 #include "base/strings/string16.h"
 #include "base/time/time.h"
+#include "ui/aura/client/aura_constants.h"
 #include "ui/aura/window_observer.h"
 #include "ui/base/ui_base_types.h"
 #include "ui/compositor/layer_animation_element.h"
 #include "ui/wm/core/transient_window_observer.h"
 #include "ui/wm/core/window_animations.h"
 #include "ui/wm/public/window_types.h"
 
 namespace display {
 class Display;
 }
@@ skipping 217 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 SetPinType(aura::client::WindowPinType type);
+  aura::client::WindowPinType GetPinType() const;
+
   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);
 
@@ skipping 116 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_