Move the concept of Activation to the Shell.

ui/aura/window_delegate.h

 // Copyright (c) 2011 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 UI_AURA_WINDOW_DELEGATE_H_
 #define UI_AURA_WINDOW_DELEGATE_H_
 #pragma once
 
 #include "ui/aura/aura_export.h"
 #include "ui/base/events.h"
@@ skipping 37 matching lines @@
   // window coordinates.
   virtual int GetNonClientComponent(const gfx::Point& point) const = 0;
 
   virtual bool OnMouseEvent(MouseEvent* event) = 0;
 
   virtual ui::TouchStatus OnTouchEvent(TouchEvent* event) = 0;
 
   // Returns true of the window can be focused.
   virtual bool CanFocus() = 0;
 
-  // Returns true if the window should be activated. |event| is either the mouse
-  // event supplied if the activation is the result of a mouse, or the touch
-  // event if the activation is the result of a touch, or NULL if activation is
-  // attempted for another reason.
-  virtual bool ShouldActivate(Event* event) = 0;
-
-  // Sent when the window is activated.
-  virtual void OnActivated() = 0;
-
-  // Sent when the window loses active status.
-  virtual void OnLostActive() = 0;
-
   // Invoked when mouse capture is lost on the window.
   virtual void OnCaptureLost() = 0;
 
   // Asks the delegate to paint window contents into the supplied canvas.
   virtual void OnPaint(gfx::Canvas* canvas) = 0;
 
   // Called from Window's destructor before OnWindowDestroyed and before the
   // children have been destroyed.
   virtual void OnWindowDestroying() = 0;
 
   // Called when the Window has been destroyed (i.e. from its destructor). This
   // is called after OnWindowDestroying and after the children have been
   // deleted.
   // The delegate can use this as an opportunity to delete itself if necessary.
   virtual void OnWindowDestroyed() = 0;
 
   // Called when the visibility of a Window changed.
   virtual void OnWindowVisibilityChanged(bool visible) = 0;
 
  protected:
   virtual ~WindowDelegate() {}
 };
 
 }  // namespace aura
 
 #endif  // UI_AURA_WINDOW_DELEGATE_H_