[GTK] Report isMinimized and correctly restore app windows.

chrome/browser/ui/gtk/extensions/native_app_window_gtk.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_GTK_EXTENSIONS_NATIVE_APP_WINDOW_GTK_H_
 #define CHROME_BROWSER_UI_GTK_EXTENSIONS_NATIVE_APP_WINDOW_GTK_H_
 
 #include <gtk/gtk.h>
 
 #include "apps/shell_window.h"
 #include "base/observer_list.h"
 #include "base/timer/timer.h"
 #include "chrome/browser/ui/extensions/native_app_window.h"
 #include "chrome/browser/ui/gtk/extensions/extension_view_gtk.h"
 #include "third_party/skia/include/core/SkRegion.h"
 #include "ui/base/gtk/gtk_signal.h"
 #include "ui/base/x/active_window_watcher_x_observer.h"
+#include "ui/base/x/x11_atom_cache.h"
 #include "ui/gfx/rect.h"
 
 class ExtensionKeybindingRegistryGtk;
 class Profile;
 
 namespace extensions {
 class Extension;
 }
 
 class NativeAppWindowGtk : public NativeAppWindow,
@@ skipping 67 matching lines @@
   CHROMEGTK_CALLBACK_1(NativeAppWindowGtk, gboolean, OnMainWindowDeleteEvent,
                        GdkEvent*);
   CHROMEGTK_CALLBACK_1(NativeAppWindowGtk, gboolean, OnConfigure,
                        GdkEventConfigure*);
   CHROMEGTK_CALLBACK_1(NativeAppWindowGtk, gboolean, OnWindowState,
                        GdkEventWindowState*);
   CHROMEGTK_CALLBACK_1(NativeAppWindowGtk, gboolean, OnMouseMoveEvent,
                        GdkEventMotion*);
   CHROMEGTK_CALLBACK_1(NativeAppWindowGtk, gboolean, OnButtonPress,
                        GdkEventButton*);
+  // Callback for PropertyChange XEvents.
+  CHROMEG_CALLBACK_1(NativeAppWindowGtk, GdkFilterReturn,
+                     OnXEvent, GdkXEvent*, GdkEvent*);
 
   void OnConfigureDebounced();
 
   apps::ShellWindow* shell_window_;  // weak - ShellWindow owns NativeAppWindow.
 
   GtkWindow* window_;
   GdkWindowState state_;
 
   // 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
@@ skipping 33 matching lines @@
 
   // The Extension Keybinding Registry responsible for registering listeners for
   // accelerators that are sent to the window, that are destined to be turned
   // into events and sent to the extension.
   scoped_ptr<ExtensionKeybindingRegistryGtk> extension_keybinding_registry_;
 
   // Observers to be notified when any web contents modal dialog requires
   // updating its dimensions.
   ObserverList<web_modal::WebContentsModalDialogHostObserver> observer_list_;
 
+  ui::X11AtomCache atom_cache_;
+
+  // True if we listen for the XEvent.
+  bool is_x_event_listened_;
+
   DISALLOW_COPY_AND_ASSIGN(NativeAppWindowGtk);
 };
 
 #endif  // CHROME_BROWSER_UI_GTK_EXTENSIONS_NATIVE_APP_WINDOW_GTK_H_