Have panels respond to changes in work area on Linux.

chrome/browser/ui/gtk/browser_titlebar.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.
 //
 // A helper class that contains the gtk widgets that make up the titlebar.  The
 // titlebar consists of the tabstrip and if the custom chrome frame is turned
 // on, it includes the taller titlebar and minimize, restore, maximize, and
 // close buttons.
 
 #ifndef CHROME_BROWSER_UI_GTK_BROWSER_TITLEBAR_H_
@@ skipping 158 matching lines @@
   virtual bool IsCommandIdChecked(int command_id) const;
   virtual void ExecuteCommand(int command_id);
   virtual bool GetAcceleratorForCommandId(int command_id,
                                           ui::Accelerator* accelerator);
 
   // Overridden from content::NotificationObserver:
   virtual void Observe(int type,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) OVERRIDE;
 
-  // Overriden from ActiveWindowWatcher::Observer.
+  // Overriden from ActiveWindowWatcherX::Observer.
   virtual void ActiveWindowChanged(GdkWindow* active_window);
 
   bool IsTypePanel();
 
   // Whether to display the avatar image.
   bool ShouldDisplayAvatar();
 
   // Returns true if the profile associated with this BrowserWindow is off the
   // record.
   bool IsOffTheRecord();
@@ skipping 86 matching lines @@
   // The avatar button.
   scoped_ptr<AvatarMenuButtonGtk> avatar_button_;
 
   // Theme provider for building buttons.
   GtkThemeService* theme_service_;
 
   content::NotificationRegistrar registrar_;
 };
 
 #endif  // CHROME_BROWSER_UI_GTK_BROWSER_TITLEBAR_H_