chrome/browser/fullscreen_chromeos.cc

// Copyright (c) 2013 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/root_window_controller.h"

bool IsFullScreenMode() {
  ash::internal::RootWindowController* controller =
      ash::internal::RootWindowController::ForActiveRootWindow();
  return controller && controller->GetTopmostFullscreenWindow();
}