Attempt 2 at:...

views/window/window_gtk.cc

 // 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.
 
 #include "views/window/window_gtk.h"
 
 #include "app/gfx/path.h"
 #include "app/l10n_util.h"
 #include "base/gfx/rect.h"
 #include "views/event.h"
@@ skipping 308 matching lines @@
 }
 
 void WindowGtk::OnSizeAllocate(GtkWidget* widget, GtkAllocation* allocation) {
   WidgetGtk::OnSizeAllocate(widget, allocation);
 
   // The Window's NonClientView may provide a custom shape for the Window.
   gfx::Path window_mask;
   non_client_view_->GetWindowMask(gfx::Size(allocation->width,
                                             allocation->height),
                                   &window_mask);
-  GdkRegion* mask_region = window_mask.CreateGdkRegion();
+  GdkRegion* mask_region = window_mask.CreateNativeRegion();
   gdk_window_shape_combine_region(GetNativeView()->window, mask_region, 0, 0);
   if (mask_region)
     gdk_region_destroy(mask_region);
 
   SaveWindowPosition();
 }
 
 gboolean WindowGtk::OnWindowStateEvent(GtkWidget* widget,
                                        GdkEventWindowState* event) {
   window_state_ = event->new_window_state;
@@ skipping 120 matching lines @@
                    size.width(), size.height());
   SetBounds(bounds, NULL);
 }
 
 void WindowGtk::OnDestroy() {
   non_client_view_->WindowClosing();
   WidgetGtk::OnDestroy();
 }
 
 }  // namespace views