Aura: Add --aura-laptop-mode to fill the workspace with a single window.

ui/aura_shell/window_util.h

 // 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.
 
 #ifndef UI_AURA_SHELL_WINDOW_UTIL_H_
 #define UI_AURA_SHELL_WINDOW_UTIL_H_
 #pragma once
 
-#include "ui/aura_shell/aura_shell_export.h"
-
 namespace aura {
 class Window;
 }
 
 namespace aura_shell {
+namespace window_util {
 
 // Returns true if |window| is in the maximized state.
-AURA_SHELL_EXPORT bool IsWindowMaximized(aura::Window* window);
+bool IsWindowMaximized(aura::Window* window);
 
+// Update window bounds based on a change in show state.
+void UpdateBoundsFromShowState(aura::Window* window);
+
+}  // namespace window_util
 }  // namespace aura_shell
 
 #endif  // UI_AURA_SHELL_WINDOW_UTIL_H_