Linux UI: Add IsVisibleOnAllWorkspaces()

ui/views/widget/native_widget_private.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_NATIVE_WIDGET_PRIVATE_H_
 #define UI_VIEWS_WIDGET_NATIVE_WIDGET_PRIVATE_H_
 
 #include <string>
 
 #include "base/strings/string16.h"
@@ skipping 175 matching lines @@
   // is the bounds of the window when not maximized.
   virtual void ShowMaximizedWithBounds(const gfx::Rect& restored_bounds) = 0;
   virtual void ShowWithWindowState(ui::WindowShowState show_state) = 0;
   virtual bool IsVisible() const = 0;
   virtual void Activate() = 0;
   virtual void Deactivate() = 0;
   virtual bool IsActive() const = 0;
   virtual void SetAlwaysOnTop(bool always_on_top) = 0;
   virtual bool IsAlwaysOnTop() const = 0;
   virtual void SetVisibleOnAllWorkspaces(bool always_visible) = 0;
+  virtual bool IsVisibleOnAllWorkspaces() const = 0;
   virtual void Maximize() = 0;
   virtual void Minimize() = 0;
   virtual bool IsMaximized() const = 0;
   virtual bool IsMinimized() const = 0;
   virtual void Restore() = 0;
   virtual void SetFullscreen(bool fullscreen) = 0;
   virtual bool IsFullscreen() const = 0;
   virtual void SetOpacity(float opacity) = 0;
   virtual void FlashFrame(bool flash) = 0;
   virtual void RunShellDrag(View* view,
@@ skipping 28 matching lines @@
   virtual std::string GetName() const = 0;
 
   // Overridden from NativeWidget:
   internal::NativeWidgetPrivate* AsNativeWidgetPrivate() override;
 };
 
 }  // namespace internal
 }  // namespace views
 
 #endif  // UI_VIEWS_WIDGET_NATIVE_WIDGET_PRIVATE_H_