aura: Add fullscreen/popups to RenderWidgetHostViewAura.

ui/aura/window_types.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_WINDOW_TYPES_H_
 #define UI_AURA_WINDOW_TYPES_H_
 #pragma once
 
 namespace aura {
 
-// This file is obsolete. Please do not add any new types.
-// This still exists as Window::Init uses Type_Control.
-// TODO(ben|oshima): Figure out how to clean this up.
+enum WindowType {
+  WINDOW_TYPE_UNKNOWN = 0,
 
-const int kWindowType_None = 0;
-const int kWindowType_Control = 1;
+  // Regular windows that should be laid out by the shell.
+  WINDOW_TYPE_NORMAL,
 
-const int kWindowType_Max = 2;
+  // Miscellaneous windows that should not be laid out by the shell.
+  WINDOW_TYPE_POPUP,
+
+  WINDOW_TYPE_MENU,
+  WINDOW_TYPE_TOOLTIP,
+};
 
 }  // namespace aura
 
 #endif  // UI_AURA_WINDOW_TYPES_H_