[Mac] Move all the related files for the Wrench menu into a subdir of c/b/u/c...

chrome/browser/ui/cocoa/menu_tracked_root_view.h

Index: chrome/browser/ui/cocoa/menu_tracked_root_view.h
===================================================================
--- chrome/browser/ui/cocoa/menu_tracked_root_view.h	(revision 71447)
+++ chrome/browser/ui/cocoa/menu_tracked_root_view.h	(working copy)
@@ -1,25 +0,0 @@
-// Copyright (c) 2010 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_UI_COCOA_MENU_TRACKED_ROOT_VIEW_H_
-#define CHROME_BROWSER_UI_COCOA_MENU_TRACKED_ROOT_VIEW_H_
-#pragma once
-
-#import <Cocoa/Cocoa.h>
-
-// An instance of MenuTrackedRootView should be the root of the view hierarchy
-// of the custom view of NSMenuItems. If the user opens the menu in a non-
-// sticky fashion (i.e. clicks, holds, and drags) and then releases the mouse
-// over the menu item, it will cancel tracking on the |[menuItem_ menu]|.
-@interface MenuTrackedRootView : NSView {
- @private
-  // The menu item whose custom view's root view is an instance of this class.
-  NSMenuItem* menuItem_;  // weak
-}
-
-@property (assign, nonatomic) NSMenuItem* menuItem;
-
-@end
-
-#endif  // CHROME_BROWSER_UI_COCOA_MENU_TRACKED_ROOT_VIEW_H_