Change fullscreen mode to be determined by the window manager.

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 254 matching lines @@
   // Checks to see if the mouse pointer at |x|, |y| is over the border of the
   // custom frame (a spot that should trigger a window resize). Returns true if
   // it should and sets |edge|.
   bool GetWindowEdge(int x, int y, GdkWindowEdge* edge);
 
   NotificationRegistrar registrar_;
 
   gfx::Rect bounds_;
   GdkWindowState state_;
 
-  // Whether we are full screen. Since IsFullscreen() gets called before
-  // OnStateChanged(), we can't rely on |state_| & GDK_WINDOW_STATE_FULLSCREEN.
-  bool full_screen_;
-
   // The container for the titlebar + tab strip.
   scoped_ptr<BrowserTitlebar> titlebar_;
 
   // The object that manages all of the widgets in the toolbar.
   scoped_ptr<BrowserToolbarGtk> toolbar_;
 
   // The object that manages the bookmark bar.
   scoped_ptr<BookmarkBarGtk> bookmark_bar_;
 
   // The object that manages the extension shelf.
@@ skipping 43 matching lines @@
 
   // True if the window manager thinks the window is active.  Not all window
   // managers keep track of this state (_NET_ACTIVE_WINDOW), in which case
   // this will always be true.
   bool is_active_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserWindowGtk);
 };
 
 #endif  // CHROME_BROWSER_GTK_BROWSER_WINDOW_GTK_H_