Enables ScreenPinningController for mash/mus

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 262 matching lines @@
   bool CanMaximize() const;
   bool CanMinimize() const;
   bool CanResize() const;
   bool CanActivate() const;
 
   void StackChildAtTop(WmWindow* child);
   void StackChildAtBottom(WmWindow* child);
   void StackChildAbove(WmWindow* child, WmWindow* target);
   void StackChildBelow(WmWindow* child, WmWindow* target);
 
-  // See ScreenPinningController::SetPinnedWindow() for details.
-  void SetPinned(bool trusted);
-
   void SetAlwaysOnTop(bool value);
   bool IsAlwaysOnTop() const;
 
   void Hide();
   void Show();
 
   // Returns the widget associated with this window, or null if not associated
   // with a widget. Only ash system UI widgets are returned, not widgets created
   // by the mus window manager code to show a non-client frame.
   views::Widget* GetInternalWidget();
@@ skipping 86 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_