Removes most aura dependencies from DockedWindowResizer

ash/wm/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_WM_COMMON_WM_WINDOW_H_
 #define ASH_WM_COMMON_WM_WINDOW_H_
 
 #include <vector>
 
 #include "ash/ash_export.h"
@@ skipping 71 matching lines @@
   virtual bool GetBoolProperty(WmWindowProperty key) = 0;
 
   WindowState* GetWindowState() {
     return const_cast<WindowState*>(
         const_cast<const WmWindow*>(this)->GetWindowState());
   }
   virtual const WindowState* GetWindowState() const = 0;
 
   virtual WmWindow* GetToplevelWindow() = 0;
 
+  // See aura::client::ParentWindowWithContext() for details of what this does.
+  virtual void SetParentUsingContext(WmWindow* context,
+                                     const gfx::Rect& screen_bounds) = 0;
   virtual void AddChild(WmWindow* window) = 0;
 
   virtual WmWindow* GetParent() = 0;
 
   virtual WmWindow* GetTransientParent() = 0;
   virtual std::vector<WmWindow*> GetTransientChildren() = 0;
 
   // |type| is WindowVisibilityAnimationType. Has to be an int to match aura.
   virtual void SetVisibilityAnimationType(int type) = 0;
   virtual void Animate(::wm::WindowAnimationType type) = 0;
@@ skipping 59 matching lines @@
   virtual void RemoveObserver(WmWindowObserver* observer) = 0;
 
  protected:
   virtual ~WmWindow() {}
 };
 
 }  // namespace wm
 }  // namespace ash
 
 #endif  // ASH_WM_COMMON_WM_WINDOW_H_