Add always-on-top property to app windows

chrome/browser/ui/panels/panel.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 CHROME_BROWSER_UI_PANELS_PANEL_H_
 #define CHROME_BROWSER_UI_PANELS_PANEL_H_
 
 #include <string>
 
 #include "base/gtest_prod_util.h"
@@ skipping 115 matching lines @@
   virtual void ShowInactive() OVERRIDE;
   virtual void Close() OVERRIDE;
   virtual void Activate() OVERRIDE;
   virtual void Deactivate() OVERRIDE;
   virtual void Maximize() OVERRIDE;
   virtual void Minimize() OVERRIDE;
   virtual void Restore() OVERRIDE;
   virtual void SetBounds(const gfx::Rect& bounds) OVERRIDE;
   virtual void FlashFrame(bool flash) OVERRIDE;
   virtual bool IsAlwaysOnTop() const OVERRIDE;
+  virtual void SetAlwaysOnTop(bool on_top) OVERRIDE;
 
   // Overridden from CommandUpdaterDelegate:
   virtual void ExecuteCommandWithDisposition(
       int id,
       WindowOpenDisposition disposition) OVERRIDE;
 
   // content::NotificationObserver overrides.
   virtual void Observe(int type,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) OVERRIDE;
@@ skipping 92 matching lines @@
   // Updates the maximum size of the panel so that it's never smaller than the
   // panel's desired size. Note that even if the user resizes the panel smaller
   // later, the increased maximum size will still be in effect. Since it's not
   // possible currently to switch the panel back to autosizing from
   // user-resizable, it should not be a problem.
   void IncreaseMaxSize(const gfx::Size& desired_panel_size);
 
   // Handles keyboard events coming back from the renderer.
   void HandleKeyboardEvent(const content::NativeWebKeyboardEvent& event);
 
-  // Whether the panel window is always on top.
-  void SetAlwaysOnTop(bool on_top);
-
   // Sets whether the panel is shown in preview mode. When the panel is
   // being dragged, it is in preview mode.
   void SetPreviewMode(bool in_preview_mode);
 
   // Sets whether the minimize or restore button, if any, are visible.
   void UpdateMinimizeRestoreButtonVisibility();
 
   // Changes the preferred size to acceptable based on min_size() and max_size()
   gfx::Size ClampSize(const gfx::Size& size) const;
 
@@ skipping 135 matching lines @@
 
   // Icon showed in the task bar.
   gfx::Image app_icon_;
 
   base::WeakPtrFactory<Panel> image_loader_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(Panel);
 };
 
 #endif  // CHROME_BROWSER_UI_PANELS_PANEL_H_