Revert r123782.

chrome/browser/ui/panels/panel_browser_titlebar_gtk.cc

 // 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.
 
 #include "chrome/browser/ui/panels/panel_browser_titlebar_gtk.h"
 
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/gtk/custom_button.h"
+#include "chrome/browser/ui/gtk/gtk_theme_service.h"
 #include "chrome/browser/ui/gtk/gtk_util.h"
-#include "chrome/browser/ui/gtk/theme_service_gtk.h"
 #include "chrome/browser/ui/panels/panel.h"
 #include "chrome/browser/ui/panels/panel_browser_window_gtk.h"
 #include "grit/generated_resources.h"
 #include "grit/theme_resources.h"
 #include "ui/base/gtk/gtk_compat.h"
 #include "ui/gfx/skia_utils_gtk.h"
 
 namespace {
 
 // Spacing between buttons of panel's titlebar.
@@ skipping 196 matching lines @@
   event->crossing.y_root = widget_allocation.y;
   event->crossing.mode = GDK_CROSSING_NORMAL;
   event->crossing.detail = GDK_NOTIFY_ANCESTOR;
   event->crossing.focus = true;
   event->crossing.state = 0;
 
   g_signal_emit_by_name(GTK_OBJECT(close_button()->widget()),
                         "enter-notify-event", event,
                         &return_value);
 }