GTK: A bunch more removal of deprecated raw GtkWidget access, focusing on GtkWidget->window

chrome/browser/ui/gtk/gtk_util.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.
 
 #ifndef CHROME_BROWSER_UI_GTK_GTK_UTIL_H_
 #define CHROME_BROWSER_UI_GTK_GTK_UTIL_H_
 #pragma once
 
 #include <gtk/gtk.h>
 #include <string>
@@ skipping 227 matching lines @@
 // Get the window open disposition from the state in gtk_get_current_event().
 // This is designed to be called inside a "clicked" event handler. It is an
 // error to call it when gtk_get_current_event() won't return a GdkEventButton*.
 WindowOpenDisposition DispositionForCurrentButtonPressEvent();
 
 // Safely grabs all input (with X grabs and an application grab), returning true
 // for success.
 bool GrabAllInput(GtkWidget* widget);
 
 // Returns a rectangle that represents the widget's bounds. The rectangle it
-// returns is the same as widget->allocation, but anchored at (0, 0).
+// returns is the same as gtk_widget_get_allocation, but anchored at (0, 0).
 gfx::Rect WidgetBounds(GtkWidget* widget);
 
 // Update the timestamp for the given window. This is usually the time of the
 // last user event, but on rare occasions we wish to update it despite not
 // receiving a user event.
 void SetWMLastUserActionTime(GtkWindow* window);
 
 // The current system time, using the format expected by the X server, but not
 // retrieved from the X server. NOTE: You should almost never need to use this
 // function, instead using the timestamp from the latest GDK event.
@@ skipping 63 matching lines @@
 void ApplyMessageDialogQuirks(GtkWidget* dialog);
 
 // Performs Cut/Copy/Paste operation on the |window|.
 void DoCut(BrowserWindow* window);
 void DoCopy(BrowserWindow* window);
 void DoPaste(BrowserWindow* window);
 
 }  // namespace gtk_util
 
 #endif  // CHROME_BROWSER_UI_GTK_GTK_UTIL_H_