Compact Navigation bar must be hidden in FullScreen mode.

chrome/browser/gtk/browser_window_gtk.h

 // Copyright (c) 2009 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_GTK_BROWSER_WINDOW_GTK_H_
 #define CHROME_BROWSER_GTK_BROWSER_WINDOW_GTK_H_
 
 #include <gtk/gtk.h>
 
 #include <map>
@@ skipping 376 matching lines @@
 
 #if defined(OS_CHROMEOS)
   // True if a drag is active. See description above setter for details.
   bool drag_active_;
   // Controls interactions with the window manager for popup panels.
   PanelController* panel_controller_;
 
   CompactNavigationBar* compact_navigation_bar_;
   StatusAreaView* status_area_;
 
+  // The MainMenu button.
+  CustomDrawButton* main_menu_button_;
+
+  // A hbox container for the compact navigation bar.
+  GtkWidget* compact_navbar_hbox_;
+
   static bool next_window_should_use_compact_nav_;
 #endif
 
   // A map which translates an X Window ID into its respective GtkWindow.
   static std::map<XID, GtkWindow*> xid_map_;
 
   // The current window cursor.  We set it to a resize cursor when over the
   // custom frame border.  We set it to NULL if we want the default cursor.
   GdkCursor* frame_cursor_;
 
@@ skipping 11 matching lines @@
   // first time.  This is to work around a compiz bug.
   bool maximize_after_show_;
 
   // The accelerator group used to handle accelerators, owned by this object.
   GtkAccelGroup* accel_group_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserWindowGtk);
 };
 
 #endif  // CHROME_BROWSER_GTK_BROWSER_WINDOW_GTK_H_