[Refactor] Consolidate the logic for whether a widget can be activated.

ui/views/widget/desktop_aura/desktop_native_widget_aura.h

 // Copyright (c) 2012 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_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_NATIVE_WIDGET_AURA_H_
 #define UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_NATIVE_WIDGET_AURA_H_
 
 #include "base/memory/weak_ptr.h"
 #include "ui/aura/client/focus_change_observer.h"
 #include "ui/aura/window_delegate.h"
@@ skipping 241 matching lines @@
 
   // See class documentation for Widget in widget.h for a note about ownership.
   Widget::InitParams::Ownership ownership_;
 
   scoped_ptr<DesktopCaptureClient> capture_client_;
 
   // The following factory is used for calls to close the NativeWidgetAura
   // instance.
   base::WeakPtrFactory<DesktopNativeWidgetAura> close_widget_factory_;
 
-  // Can we be made active?
-  bool can_activate_;
-
   // Child of the root, contains |content_window_|.
   aura::Window* content_window_container_;
 
   // Child of |content_window_container_|. This is the return value from
   // GetNativeView().
   // WARNING: this may be NULL, in particular during shutdown it becomes NULL.
   aura::Window* content_window_;
 
   internal::NativeWidgetDelegate* native_widget_delegate_;
 
@@ skipping 42 matching lines @@
 
   // See class documentation for Widget in widget.h for a note about type.
   Widget::InitParams::Type widget_type_;
 
   DISALLOW_COPY_AND_ASSIGN(DesktopNativeWidgetAura);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_NATIVE_WIDGET_AURA_H_