browser: Move invert_bubble_views.{cc,h} into views/ directory.

chrome/browser/accessibility/invert_bubble_views.h

-// 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.
-
-#ifndef CHROME_BROWSER_ACCESSIBILITY_INVERT_BUBBLE_VIEWS_H_
-#define CHROME_BROWSER_ACCESSIBILITY_INVERT_BUBBLE_VIEWS_H_
-#pragma once
-
-class PrefService;
-class Profile;
-namespace views {
-class View;
-}
-
-class InvertBubble {
- public:
-  static void RegisterUserPrefs(PrefService* prefs);
-
-  // Show a bubble telling the user that they're using Windows
-  // high-constrast mode with a light-on-dark scheme, so they may be
-  // interested in a high-contrast Chrome extension and a dark theme.
-  // Only shows the first time we encounter this condition
-  // for a particular profile.
-  static void MaybeShowInvertBubble(Profile* profile,
-                                    views::View* anchor_view);
-};
-
-#endif  // CHROME_BROWSER_ACCESSIBILITY_INVERT_BUBBLE_VIEWS_H_