Clean up TCW, make it solely a hub for 1:1 observer/helper objects.

chrome/browser/chromeos/login/lock_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/chromeos/login/lock_window_gtk.h"
 
 #include <X11/extensions/XTest.h>
 #include <X11/keysym.h>
 #include <gdk/gdkkeysyms.h>
 #include <gdk/gdkx.h>
@@ skipping 10 matching lines @@
 #include "chrome/browser/chromeos/legacy_window_manager/wm_ipc.h"
 #include "chrome/browser/chromeos/login/helper.h"
 #include "chrome/browser/chromeos/login/screen_locker.h"
 #include "chrome/browser/chromeos/login/user_manager.h"
 #include "chrome/browser/chromeos/login/webui_login_display.h"
 #include "chrome/browser/ui/views/dom_view.h"
 #include "chrome/browser/ui/webui/chromeos/login/oobe_ui.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "chrome/common/url_constants.h"
 #include "content/browser/renderer_host/render_widget_host_view.h"
+#include "content/browser/tab_contents/tab_contents.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/notification_types.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/x/x11_util.h"
 #include "ui/gfx/screen.h"
 #include "ui/views/widget/native_widget_gtk.h"
 #include "ui/views/widget/widget.h"
 
 namespace {
 
@@ skipping 268 matching lines @@
 }
 
 void LockWindowGtk::OnClientEvent(GtkWidget* widge, GdkEventClient* event) {
   WmIpc::Message msg;
   WmIpc::instance()->DecodeMessage(*event, &msg);
   if (msg.type() == WM_IPC_MESSAGE_CHROME_NOTIFY_SCREEN_REDRAWN_FOR_LOCK)
     OnWindowManagerReady();
 }
 
 }  // namespace chromeos