Revert 132856 - Aura/ash split: Remove hacks and get chrome linking without ash.

chrome/browser/fullscreen_ash.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/fullscreen.h"
-
-#include "ash/shell.h"
-#include "base/logging.h"
-#include "ui/aura/client/aura_constants.h"
-#include "ui/aura/root_window.h"
-#include "ui/aura/window.h"
-#include "ui/base/ui_base_types.h"
-
-namespace {
-
-bool CheckIfFullscreenWindowExists(aura::Window* window) {
-  if (window->GetProperty(aura::client::kShowStateKey) ==
-      ui::SHOW_STATE_FULLSCREEN)
-    return true;
-  aura::Window::Windows children = window->children();
-  for (aura::Window::Windows::const_iterator i = children.begin();
-       i != children.end();
-       ++i) {
-    if (CheckIfFullscreenWindowExists(*i))
-      return true;
-  }
-  return false;
-}
-
-}  // namespace
-
-bool IsFullScreenMode() {
-  // This is used only by notification_ui_manager.cc. On aura, notification
-  // will be managed in panel. This is temporary to get certain feature running
-  // until we implement it for aura.
-  return CheckIfFullscreenWindowExists(ash::Shell::GetRootWindow());
-}