Revert "Add AppWindow.setVisibleOnAllWorkspaces." (https://codereview.chromium.org/469993003)

apps/ui/views/native_app_window_views.h

 // Copyright 2014 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 APPS_UI_VIEWS_NATIVE_APP_WINDOW_VIEWS_H_
 #define APPS_UI_VIEWS_NATIVE_APP_WINDOW_VIEWS_H_
 
 #include "base/observer_list.h"
 #include "content/public/browser/web_contents_observer.h"
 #include "extensions/browser/app_window/app_window.h"
@@ skipping 143 matching lines @@
   virtual SkColor InactiveFrameColor() const OVERRIDE;
   virtual gfx::Insets GetFrameInsets() const OVERRIDE;
   virtual void HideWithApp() OVERRIDE;
   virtual void ShowWithApp() OVERRIDE;
   virtual void UpdateShelfMenu() OVERRIDE;
   virtual gfx::Size GetContentMinimumSize() const OVERRIDE;
   virtual gfx::Size GetContentMaximumSize() const OVERRIDE;
   virtual void SetContentSizeConstraints(const gfx::Size& min_size,
                                          const gfx::Size& max_size) OVERRIDE;
   virtual bool CanHaveAlphaEnabled() const OVERRIDE;
-  virtual void SetVisibleOnAllWorkspaces(bool always_visible) OVERRIDE;
 
   // web_modal::WebContentsModalDialogHost implementation.
   virtual gfx::NativeView GetHostView() const OVERRIDE;
   virtual gfx::Point GetDialogPosition(const gfx::Size& size) OVERRIDE;
   virtual gfx::Size GetMaximumDialogSize() OVERRIDE;
   virtual void AddObserver(
       web_modal::ModalDialogHostObserver* observer) OVERRIDE;
   virtual void RemoveObserver(
       web_modal::ModalDialogHostObserver* observer) OVERRIDE;
 
@@ skipping 14 matching lines @@
   views::UnhandledKeyboardEventHandler unhandled_keyboard_event_handler_;
 
   ObserverList<web_modal::ModalDialogHostObserver> observer_list_;
 
   DISALLOW_COPY_AND_ASSIGN(NativeAppWindowViews);
 };
 
 }  // namespace apps
 
 #endif  // APPS_UI_VIEWS_NATIVE_APP_WINDOW_VIEWS_H_