Reapplies r91761.

chrome/browser/ui/gtk/browser_window_gtk.cc

 // 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.
 
 #include "chrome/browser/ui/gtk/browser_window_gtk.h"
 
 #include <gdk/gdkkeysyms.h>
 
 #include <dlfcn.h>
 #include <string>
@@ skipping 2062 matching lines @@
   int win_x, win_y;
   gdk_window_get_origin(GTK_WIDGET(window_)->window, &win_x, &win_y);
 
   GdkWindowEdge edge;
   gfx::Point point(static_cast<int>(event->x_root - win_x),
                    static_cast<int>(event->y_root - win_y));
   bool has_hit_edge = GetWindowEdge(point.x(), point.y(), &edge);
 
   // Ignore clicks that are in/below the browser toolbar.
   GtkWidget* toolbar = toolbar_->widget();
-  if (!GTK_WIDGET_VISIBLE(toolbar)) {
+  if (!gtk_widget_get_visible(toolbar)) {
     // If the toolbar is not showing, use the location of web contents as the
     // boundary of where to ignore clicks.
     toolbar = render_area_vbox_;
   }
   gint toolbar_y;
   gtk_widget_get_pointer(toolbar, NULL, &toolbar_y);
   bool has_hit_titlebar = !IsFullscreen() && (toolbar_y < 0)
                           && !has_hit_edge;
   if (event->button == 1) {
     if (GDK_BUTTON_PRESS == event->type) {
@@ skipping 267 matching lines @@
   // are taken from the WMs' source code.
   return (wm_name == "Blackbox" ||
           wm_name == "compiz" ||
           wm_name == "Compiz" ||
           wm_name == "e16" ||  // Enlightenment DR16
           wm_name == "Metacity" ||
           wm_name == "Mutter" ||
           wm_name == "Openbox" ||
           wm_name == "Xfwm4");
 }